DEV Community: BMarsaw

The Best Approach to Dependency Vulnerability Scanning in CI Pipelines

BMarsaw — Sun, 26 Jul 2026 02:36:31 +0000

The Best Approach to Dependency Vulnerability Scanning in CI Pipelines

Dependency vulnerabilities are the silent killers of modern software projects. A single outdated package can expose your entire application to attacks, and with the average project pulling in hundreds of transitive dependencies, manual tracking is impossible.

After years of implementing security scanning across Python, TypeScript, and React projects, I've learned that the "best" approach isn't about choosing a single tool—it's about building a multi-layered strategy that catches vulnerabilities early, fails fast when necessary, and doesn't bring your development velocity to a grinding halt.

Let's cut through the noise and build a practical scanning strategy.

The Two-Stage Scanning Philosophy

Most teams make a critical mistake: they treat all vulnerabilities equally and fail every build that has any vulnerability whatsoever. This sounds secure in theory but becomes unworkable in practice. Within weeks, developers start bypassing the checks or creating "temporary" exceptions that become permanent.

The better approach? Implement two distinct scanning stages:

Stage 1: Fail on Critical/High Vulnerabilities

This is your hard gate. Any critical or high-severity vulnerability with a known exploit blocks the build. No exceptions, no debate.

Stage 2: Report on Medium/Low Vulnerabilities

These get logged, tracked, and addressed during regular sprint planning. They don't block deployments but create visibility and accountability.

This pragmatic approach maintains security without sacrificing developer productivity.

Python Projects: Combining pip-audit and Safety

For Python projects, I recommend running both pip-audit and safety in your CI pipeline. Here's why: pip-audit uses the PyPI Advisory Database (which is comprehensive and well-maintained), while safety pulls from Safety DB (which sometimes catches things others miss).

Here's a GitHub Actions workflow that implements the two-stage philosophy:

yaml
name: Security Scan

on: [push, pull_request]

jobs:
dependency-scan:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v3

  - name: Set up Python
    uses: actions/setup-python@v4
    with:
      python-version: '3.11'

  - name: Install dependencies
    run: |
      pip install pip-audit safety
      pip install -r requirements.txt

  - name: Run pip-audit (fail on critical/high)
    run: |
      pip-audit --desc --vulnerability-service osv \
        --severity-threshold high

  - name: Run safety check (report only)
    continue-on-error: true
    run: |
      safety check --json --output safety-report.json
      safety check --short-report

  - name: Upload safety report
    if: always()
    uses: actions/upload-artifact@v3
    with:
      name: safety-report
      path: safety-report.json

The key detail: pip-audit fails the build on high/critical issues, while safety runs with continue-on-error: true, ensuring visibility without blocking.

TypeScript and React: Leveraging npm audit and Snyk

The JavaScript ecosystem moves fast, which means vulnerabilities appear frequently. The built-in npm audit is your first line of defense, but it's not enough on its own.

Here's my recommended workflow for TypeScript/React projects:

yaml
name: Security Scan

on: [push, pull_request]

jobs:
dependency-scan:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v3

  - name: Setup Node.js
    uses: actions/setup-node@v3
    with:
      node-version: '18'

  - name: Install dependencies
    run: npm ci

  - name: Run npm audit (critical/high only)
    run: |
      npm audit --audit-level=high

  - name: Run Snyk test
    uses: snyk/actions/node@master
    continue-on-error: true
    env:
      SNYK_TOKEN: ${{ secrets.SNYK_TOKEN }}
    with:
      args: --severity-threshold=medium --json-file-output=snyk-report.json

  - name: Upload Snyk report
    if: always()
    uses: actions/upload-artifact@v3
    with:
      name: snyk-report
      path: snyk-report.json

Snyk excels at finding vulnerabilities in React components and frontend dependencies that other tools miss. The free tier is generous enough for most small-to-medium projects.

The Practical Details That Matter

1. Suppress Strategically, Not Habitually

Every scanning tool supports suppression, but use it carefully. When you suppress a vulnerability:

Document why ("No fix available, but we don't use the affected function")
Set a review date ("Re-evaluate in Q2 2025")
Track suppressions in code, not in CI configuration

For pip-audit, use a .pip-audit-ignore file. For Snyk, use .snyk policy files. This keeps your security decisions version-controlled and reviewable.

2. Pin Your Scanning Tools

Nothing breaks CI quite like a scanner that suddenly gets stricter. Pin your tool versions:

yaml

name: Install pip-audit run: pip install pip-audit==2.6.1

Update these dependencies deliberately during sprint planning, not accidentally when a build breaks on Friday afternoon.

3. Differentiate Between Direct and Transitive Dependencies

A vulnerability in a direct dependency is your problem. A vulnerability buried five levels deep in a transitive dependency might not even affect your code path.

Most modern tools (pip-audit, Snyk, npm audit) show this distinction. Use it to prioritize. Fix direct dependencies immediately. Investigate transitive dependencies based on actual code usage.

4. Schedule Comprehensive Scans

Run your strict scans on every PR. But also schedule a comprehensive, everything-included scan weekly:

yaml
on:
schedule:
- cron: '0 9 * * 1' # Every Monday at 9 AM

This catches new vulnerabilities in old dependencies and ensures nothing slips through the cracks.

What About Container Scanning?

If you're shipping containers (and you probably should be), add Trivy to your pipeline:

yaml

name: Run Trivy scanner uses: aquasecurity/trivy-action@master with: image-ref: 'myapp:${{ github.sha }}' severity: 'CRITICAL,HIGH' exit-code: '1'

Trivy scans both your application dependencies AND the base OS packages in your container image. It's fast, accurate, and catches an entirely different class of vulnerabilities.

The Reality Check: This Isn't Set-and-Forget

Here's what nobody tells you: dependency scanning is high-maintenance. New vulnerabilities appear constantly. Tools update their databases. Risk profiles change.

Budget 2-4 hours per month to:

Review vulnerability reports
Update dependencies
Refine your suppression rules
Tune severity thresholds

Treat this like technical debt management, because that's exactly what it is.

Conclusion: Build Defense in Depth

The best approach to dependency vulnerability scanning isn't a single tool or technique—it's a layered defense:

Fast, strict scanning on every commit for critical vulnerabilities
Comprehensive scanning that reports (but doesn't block) on lower-severity issues
Regular review cycles to keep your suppressions and policies current
Container scanning for production environments

Start with the workflows above. Adjust severity thresholds based on your risk tolerance. Most importantly, make security scanning a first-class part of your development process, not an afterthought that gets bypassed when deadlines loom.

Your future self—and your security team—will thank you.

📚 Recommended Reading

Want to go deeper on CI?? These are worth it:

Software Supply Chain Security by Andrew Martin and Michael Lieberman
Continuous Delivery: Reliable Software Releases through Build, Test, and Deployment Automation by Jez Humble and David Farley

These are affiliate links — if you buy through them I earn a small commission at no extra cost to you.

How Normal Software Engineers Actually Use AI in Their Daily Work

BMarsaw — Tue, 21 Jul 2026 15:42:18 +0000

How Normal Software Engineers Actually Use AI in Their Daily Work

Let's cut through the hype. You're not building the next AGI. You're a working software engineer with deadlines, legacy code, and a backlog that never shrinks. So how do you actually use AI tools in your day-to-day work?

After surveying hundreds of developers and reflecting on real-world usage patterns, here's what normal software engineers are doing with AI—no Silicon Valley theatrics required.

The Mundane But Invaluable: Code Completion and Boilerplate

The most common use case is the least sexy: letting AI handle repetitive code. GitHub Copilot, Cursor, and similar tools excel at generating boilerplate that you'd otherwise copy-paste from Stack Overflow or previous projects.

Real example: Writing CRUD endpoints in Express/TypeScript:

typescript
// Type this comment and let AI complete:
// Create a REST endpoint for user registration with email validation

app.post('/api/users/register', async (req: Request, res: Response) => {
try {
const { email, password, name } = req.body;

// Email validation
const emailRegex = /^[^\s@]+@[^\s@]+\.[^\s@]+$/;
if (!emailRegex.test(email)) {
  return res.status(400).json({ error: 'Invalid email format' });
}

// Check if user exists
const existingUser = await User.findOne({ email });
if (existingUser) {
  return res.status(409).json({ error: 'User already exists' });
}

// Hash password and create user
const hashedPassword = await bcrypt.hash(password, 10);
const user = await User.create({ email, password: hashedPassword, name });

res.status(201).json({ userId: user.id, email: user.email });

} catch (error) {
res.status(500).json({ error: 'Internal server error' });
}
});

Did AI write perfect code? No. But it gave you scaffolding to refine, saving 10-15 minutes of typing. That's the real win.

The Game-Changer: Explaining Legacy Code and Obscure APIs

Every developer inherits someone else's mess. AI tools shine when deciphering undocumented code or unfamiliar libraries.

Practical workflow:

Copy confusing code snippet into ChatGPT or Claude
Ask: "Explain what this code does and identify potential issues"
Follow up: "How would you refactor this for better readability?"

This works especially well for:

Complex regex patterns
Functional programming constructs in codebases you didn't write
AWS/GCP service configurations
Database query optimization

Example prompt I use weekly:

"This Python decorator is using functools.wraps and managing some state. Walk me through what's happening step-by-step, then suggest if there's a cleaner approach."

The AI explanation often surfaces edge cases or anti-patterns you'd miss during a rushed code review.

The Productivity Multiplier: Writing Tests and Documentation

Developers hate writing tests and docs. AI doesn't. Use this to your advantage.

For test generation:

python

Original function

def calculate_discount(price: float, user_tier: str, promo_code: str = None) -> float:
base_discount = {"bronze": 0.05, "silver": 0.10, "gold": 0.15}.get(user_tier, 0)
discount = price * base_discount

if promo_code == "SAVE20":

    discount += price * 0.20

return min(discount, price)

Prompt AI: "Write pytest tests covering edge cases for this function"

You'll get:

import pytest

def test_calculate_discount_bronze_tier():
assert calculate_discount(100, "bronze") == 5.0

def test_calculate_discount_invalid_tier():
assert calculate_discount(100, "platinum") == 0.0

def test_calculate_discount_with_promo():
assert calculate_discount(100, "silver", "SAVE20") == 30.0

def test_discount_never_exceeds_price():
assert calculate_discount(10, "gold", "SAVE20") == 10.0

def test_calculate_discount_zero_price():
assert calculate_discount(0, "gold") == 0.0

AI-generated tests aren't comprehensive, but they give you 70% coverage in seconds. You add the remaining edge cases yourself.

For documentation: Paste your function and ask for JSDoc or docstring format. Instant improvement over no documentation.

The Debugging Assistant: Rubber Duck 2.0

When Stack Overflow fails and your senior dev is in meetings, AI becomes your debugging partner.

Effective debugging prompts:

"I'm getting TypeError: Cannot read property 'map' of undefined in React. Here's my component. What am I missing?"
"This PostgreSQL query times out on large datasets. Here's the schema and query. Suggest optimizations."
"My Docker container builds locally but fails in CI. Here's the Dockerfile and error log."

The key is providing context: error messages, relevant code, and what you've already tried. AI tools are pattern-matching machines—give them patterns to match.

The Automation Enabler: Generating Scripts and Configs

Need a one-off script to migrate data? Parse logs? Set up CI/CD? AI writes the first draft while you drink coffee.

Real automation example:

"Write a Python script that reads a CSV of user emails, checks if each user exists in our Postgres database, and outputs a report of missing users."

You get working code in 30 seconds. Maybe it needs tweaks for your schema, but you've eliminated the "blank page problem."

This extends to configuration files:

GitHub Actions workflows
Terraform configurations
ESLint and Prettier configs
Docker Compose setups

Why memorize YAML syntax for the hundredth time when AI can generate it?

What AI Doesn't Replace (Yet)

Be realistic about limitations:

Architectural decisions: AI can't understand your business requirements or scaling needs
Code review judgment: It misses context about team conventions and product strategy
Complex debugging: Multi-service interaction bugs require human reasoning
Security implications: AI suggests code that works but might have vulnerabilities

Treat AI as a junior developer: fast at boilerplate, helpful for brainstorming, needs supervision for production code.

The Toolset That Actually Matters

Here's what normal developers use (not a sponsored list):

GitHub Copilot - Best for inline code completion
ChatGPT/Claude - Best for explanations and architecture discussions
Cursor - VSCode fork with AI deeply integrated
v0.dev - React component generation (when prototyping)
Phind - Developer-focused search with AI summaries

Most developers use 2-3 of these, not all. Pick what fits your workflow.

Conclusion: Use AI Like a Tool, Not Magic

The developers getting real value from AI aren't waiting for it to write entire applications. They're using it to:

Skip boilerplate
Understand unfamiliar code faster
Generate test scaffolding
Debug with a second perspective
Automate one-off tasks

This saves 30-60 minutes daily—time spent on actual problem-solving instead of syntactic overhead.

The question isn't "Does AI replace developers?" It's "Are you using AI to avoid the boring parts of your job?" If not, you're working harder than necessary.

Start small. Pick one repetitive task this week and let AI handle it. Build from there. The future isn't about AI doing your job—it's about you doing more interesting work because AI handles the grunt work.

Now stop reading and go automate something.

🛠 Recommended Tools

GitHub Copilot — AI pair programmer integrated into VS Code and JetBrains IDEs

Disclosure: some links above may earn a referral commission if you sign up.

📚 Recommended Reading

Want to go deeper on AI?? These are worth it:

Artificial Intelligence Basics: A Non-Technical Introduction by Tom Taulli
The Pragmatic Programmer: Your Journey to Mastery by David Thomas and Andrew Hunt

These are affiliate links — if you buy through them I earn a small commission at no extra cost to you.

Great Tools for Solo SaaS Founders: A Battle-Tested Stack for 2024

BMarsaw — Sun, 19 Jul 2026 22:55:33 +0000

Great Tools for Solo SaaS Founders: A Battle-Tested Stack for 2024

Building a SaaS product solo is simultaneously liberating and overwhelming. You're the developer, designer, marketer, support team, and accountant. The wrong tools will drain your time and budget. The right ones will multiply your effectiveness.

After shipping three profitable SaaS products as a solo founder, I've learned this: your tool stack is your competitive advantage. While venture-backed teams throw engineers at problems, you need tools that do the heavy lifting.

Here's what actually works.

Development: Write Less, Ship Faster

Backend Framework: FastAPI or Next.js

For Python developers, FastAPI is unbeatable. It's fast, has automatic API documentation, and built-in validation that prevents entire categories of bugs.

python
from fastapi import FastAPI, HTTPException
from pydantic import BaseModel, EmailStr
from typing import Optional

app = FastAPI()

class User(BaseModel):
email: EmailStr
name: str
plan: Optional[str] = "free"

@app.post("/users/")
async def create_user(user: User):
# Validation happens automatically
# API docs generated at /docs
return {"user": user.dict(), "status": "created"}

For TypeScript developers, Next.js 14 with Server Actions eliminates the API layer entirely for many use cases. You write functions, Next.js handles the rest.

typescript
// app/actions.ts
'use server'

export async function createUser(formData: FormData) {
const email = formData.get('email')
// Direct database access, no API needed
await db.users.create({ email })
return { success: true }
}

Both approaches let you move incredibly fast without sacrificing type safety.

Database: Supabase or PlanetScale

Supabase gives you PostgreSQL, authentication, real-time subscriptions, and storage in one package. The free tier is generous enough to validate your idea.

What makes Supabase special for solo founders:

Row Level Security (RLS) policies replace middleware
Auto-generated REST and GraphQL APIs
Built-in auth with magic links, OAuth, and more
Real-time subscriptions without websocket code

If you're deeply invested in MySQL, PlanetScale offers serverless scaling and zero-downtime schema changes. Their branching workflow is developer-friendly, though you'll need separate auth.

Frontend: React + shadcn/ui

Stop building buttons from scratch. shadcn/ui is a collection of copy-paste React components built on Radix UI and Tailwind CSS.

Unlike traditional component libraries, you own the code. Copy what you need, customize it, never fight with npm dependencies.

typescript
import { Button } from "@/components/ui/button"
import {
Dialog,
DialogContent,
DialogHeader,
DialogTitle,
DialogTrigger,
} from "@/components/ui/dialog"

export function PricingDialog() {
return (

Upgrade Now

Choose Your Plan

{/* Your pricing content */}

)
}

Accessible by default, beautiful out of the box, and you can ship features in hours instead of days.

Deployment & Infrastructure: Boring is Beautiful

Hosting: Vercel, Railway, or Fly.io

Vercel for Next.js is a no-brainer. Zero-config deployments, automatic previews, and edge functions that actually work. The free tier handles surprising traffic.

For FastAPI, Railway or Fly.io offer the best experience. Railway is simpler (deploy from GitHub in 2 minutes), while Fly.io gives you more control and better pricing at scale.

Avoid AWS/GCP/Azure initially. You don't need that complexity yet. You need to ship.

Monitoring: Sentry + Plausible

Sentry catches errors before your users complain. The free tier (5k events/month) covers early validation. Their source maps integration means you see actual code, not minified garbage.

typescript
// next.config.js
const { withSentryConfig } = require('@sentry/nextjs');

module.exports = withSentryConfig({
// your config
}, {
silent: true,
org: "your-org",
project: "your-project",
});

For analytics, Plausible is lightweight, privacy-friendly, and requires zero cookie consent. You'll actually understand your metrics because there are only 10 of them, not 300.

Payments: Stripe, Obviously

Stripe is non-negotiable. Their APIs are excellent, documentation is clear, and Stripe Tax handles global VAT/GST automatically.

Use Stripe Billing with Customer Portal. Your users can upgrade, downgrade, and update cards without you building interfaces. That's hundreds of hours saved.

python
import stripe

Create a checkout session

session = stripe.checkout.Session.create(
customer_email=user.email,
line_items=[{
'price': 'price_pro_monthly',
'quantity': 1,
}],
mode='subscription',
success_url='https://yourapp.com/success',
cancel_url='https://yourapp.com/pricing',
)

Webhooks handle the complexity. You just listen for customer.subscription.created and customer.subscription.deleted.

Communication: Talk to Users Efficiently

Email: Resend or Loops

Resend has the best developer experience for transactional emails. Their React Email components let you build emails like you build UIs:

typescript
import { Button, Html } from '@react-email/components';

export function WelcomeEmail({ name }: { name: string }) {
return (

Welcome, {name}!

Get Started

);
}

For marketing emails, Loops is built for SaaS. Audience segmentation, A/B testing, and automation without ConvertKit's bloat.

Support: Plain or Crisp

Plain is customer support built for technical founders. Thread management happens in a tool that feels like Linear, not Zendesk. Email, Slack, API—everything in one place.

Crisp is the budget option with a surprisingly good free tier (2 seats, unlimited conversations).

Automation: Wire Everything Together

Inngest for Background Jobs

Inngest handles async workflows without Redis or job queues. Define functions, they run reliably.

typescript
import { inngest } from './client';

export default inngest.createFunction(
{ id: 'send-weekly-digest' },
{ cron: '0 9 * * MON' },
async ({ step }) => {
const users = await step.run('fetch-users', async () =>
db.users.findMany({ where: { plan: 'pro' }});
);

await step.run('send-emails', async () =>
  Promise.all(users.map(u => sendDigest(u)))
);

}
);

Retries, delays, and observability built in. Your cron jobs actually run.

The Anti-Tools: What to Avoid

Skip these until you have revenue:

Kubernetes (you're not Netflix)
Microservices (you're one person)
Jira (GitHub Issues works fine)
Salesforce (spreadsheet is enough)
Complex analytics (Plausible + Stripe dashboard = truth)

Every tool adds cognitive overhead. If you're not 100% sure you need it, you don't.

The Reality Check

The best tool stack is the one you actually ship with. I've seen founders spend months perfecting their infrastructure and never launch. I've also seen profitable products running on "messy" stacks that just work.

Start with this:

Next.js or FastAPI
Supabase
Vercel or Railway
Stripe
Resend
Sentry

You can build and launch a complete SaaS in weeks, not months. Add complexity only when you feel the pain of not having it.

The goal isn't the perfect stack. The goal is paying customers. Ship first, optimize later.

🛠 Recommended Tools

Supabase — Open-source Firebase alternative with PostgreSQL and built-in auth
Stripe — Payment processing with a developer-first API
Sentry — Error tracking and performance monitoring — free for small projects

Disclosure: some links above may earn a referral commission if you sign up.

📚 Recommended Reading

Want to go deeper on founders?? These are worth it:

The Lean Startup: How Today's Entrepreneurs Use Continuous Innovation to Create Radically Successful Businesses by Eric Ries
Traction: How Any Startup Can Achieve Explosive Customer Growth by Gabriel Weinberg

These are affiliate links — if you buy through them I earn a small commission at no extra cost to you.

How to Find a SaaS Project to Build: A Developer's Practical Guide

BMarsaw — Sun, 19 Jul 2026 22:55:05 +0000

How to Find a SaaS Project to Build: A Developer's Practical Guide

You have the technical skills. You know Python, TypeScript, and React. You've seen others launch successful SaaS products and think "I could build that." But here's the problem: you can't find an idea worth building.

This isn't a technical problem—it's a strategic one. After watching countless developers (including myself) waste months building products nobody wants, I've learned that finding the right SaaS idea is more important than your tech stack. Here's how to do it properly.

Start With Problems You Actually Experience

The best SaaS ideas come from scratching your own itch. This isn't just startup folklore—it's practical advice that eliminates the hardest part of building a SaaS: understanding your customer.

Why this works:

You're already the target user
You understand the problem intimately
You can validate the solution yourself first
You're motivated to finish because you need it

Start a "friction log" today. Every time you encounter a tedious task, manual process, or frustrating workflow, write it down. Look for:

Repetitive tasks you do weekly (data entry, reporting, deployments)
Manual processes that could be automated (invoice generation, customer onboarding)
Information scattered across multiple tools (metrics from 5 different dashboards)
Workflow gaps between existing tools (exporting from Tool A to import into Tool B)

After two weeks, you'll have a list of real problems. Pick the one that costs you the most time or frustration.

Mine Communities for Pain Points

If you're not experiencing enough problems yourself (lucky you), go where people complain professionally: developer communities, industry forums, and social media.

Where to look:

Hacker News - Search for "Ask HN: What tools do you wish existed?" or browse Show HN for validation
Reddit - Subreddits like r/entrepreneur, r/SaaS, or niche communities for specific industries
Twitter/X - Search "I wish there was a tool that" or "Is there a SaaS for"
IndieHackers - Read the "Looking for ideas" section and product postings
Industry-specific forums - Find where your target users actually hang out

Here's a practical approach:

python
import praw
from collections import Counter

Simple Reddit scraper to find common pain points

reddit = praw.Reddit(
client_id='your_client_id',
client_secret='your_secret',
user_agent='pain_point_finder'
)

subreddit = reddit.subreddit('entrepreneur')
pain_points = []

Look for posts mentioning common frustration keywords

for submission in subreddit.search('frustrating OR tedious OR manual', limit=100):
if submission.score > 10: # Filter for upvoted posts
pain_points.append({
'title': submission.title,
'score': submission.score,
'url': submission.url
})

Analyze and prioritize

for point in sorted(pain_points, key=lambda x: x['score'], reverse=True)[:10]:
print(f"{point['score']} upvotes: {point['title']}")

The key is looking for repeated complaints with economic impact. If someone says "this costs me 5 hours a week," that's a $10,000+ annual problem for a $50/hr worker.

Look for Inefficient Manual Processes

The most reliable SaaS opportunities are hiding in plain sight: manual processes that people assume "just take time."

High-probability targets:

Spreadsheet-based workflows - If an entire industry runs on shared Excel files, there's opportunity
Email-based processes - Teams coordinating via CC'd emails are begging for automation
Copy-paste between tools - Any workflow involving manual data transfer
Regular reporting - If someone spends Friday afternoon compiling metrics, automate it

I built my first profitable SaaS by noticing agencies were copying Instagram metrics into Google Sheets weekly for client reports. A simple TypeScript scraper + automated PDF generation = $5k MRR in 6 months.

Validation checklist:

[ ] Can you describe the manual process in under 30 seconds?
[ ] Do people currently pay (time or money) for this?
[ ] Can you build an MVP in under 4 weeks?
[ ] Would you pay $50-100/month to save this time?

If you answered yes to all four, you likely have something.

Productize Your Consulting or Freelance Work

If you're doing freelance work, you're sitting on a gold mine of SaaS ideas. Look at:

Repeated client requests - Built the same integration three times? Make it a product.
Common deliverables - If every client wants similar reports, automate them.
Setup work - The boilerplate you do for each new client is usually productizable.

Real example: A developer friend built custom Slack bots for 5 different clients. Each time, he'd spend 10 hours on the same OAuth flow, webhook setup, and database schema. He productized it into a "Slack bot starter kit" SaaS that handles auth, storage, and deployment. Now he makes more from the $29/month SaaS than he did from consulting.

Here's the pattern:

typescript
// You've built this custom solution 3+ times
class CustomClientSolution {
// 80% of this code is identical each time
setupAuth() { /* ... / }
configureWebhooks() { / ... */ }

// Only 20% changes per client

customBusinessLogic() { /* ... */ }
}

// Turn it into a SaaS
class SaaSProduct {
// Handle the 80% as a service
providedAuth() { /* Automated / }
providedWebhooks() { / Automated */ }

// Let users configure the 20%
userConfigurableLogic() { /* No-code builder */ }
}

The transition is: if you're solving the same problem repeatedly, stop selling your time and sell the solution.

The "Niche Down + Automate" Strategy

General tools are dominated by well-funded companies. Niche tools for specific industries are wide open.

The formula: Take existing general-purpose tool + narrow it to specific industry + add automation for that industry's unique needs.

Examples:

General CRM → CRM specifically for dental practices (with appointment reminders, insurance verification)
General project management → Project management for construction (with permit tracking, subcontractor coordination)
General invoicing → Invoicing for freelance developers (with GitHub time tracking, automatic hourly calculations)

These work because:

Industry-specific features matter more than general features
You can speak the industry's language in marketing
Less competition from generalist tools
Higher willingness to pay (specialized tools = specialized value)

Validation Before You Build Anything

Here's what separates successful SaaS builders from the rest: they validate before writing code.

Quick validation checklist:

Find 3 people with this problem who aren't friends/family
Get them to describe the problem in their words (if they can't articulate it, it's not painful enough)
Ask about current solutions (what they're paying/doing now indicates willingness to pay)
Request pre-payment or a commitment ("I'll pay $X when it's ready" is validation; "yeah, sounds cool" isn't)

Don't build anything until you have real conversations. A landing page with an email signup is better validation than 3 months of coding.

Conclusion: Action Steps for This Week

Stop waiting for the perfect idea to strike. Instead:

Start your friction log today - Document every tedious task you encounter
Join 3 communities where your target users complain
Review your last 3 freelance projects - What did you build repeatedly?
Talk to 5 potential users before writing any production code

The best SaaS project isn't the most technically impressive—it's the one that solves a real problem for people who will actually pay. Your job isn't to invent problems; it's to discover the expensive ones already being solved inefficiently.

Now stop reading and start building your friction log. The idea is out there; you just need to notice it.

🛠 Recommended Tools

Supabase — Open-source Firebase alternative with PostgreSQL and built-in auth
Stripe — Payment processing with a developer-first API
PostHog — Open-source product analytics — self-host or cloud, free tier

Disclosure: some links above may earn a referral commission if you sign up.

📚 Recommended Reading

Want to go deeper on build?? These are worth it:

The Lean Startup: How Today's Entrepreneurs Use Continuous Innovation to Create Radically Successful Businesses by Eric Ries
Traction: How Any Startup Can Achieve Explosive Customer Growth by Gabriel Weinberg

These are affiliate links — if you buy through them I earn a small commission at no extra cost to you.

Ask HN: What do you consider the best way to protect a SaaS from bots?

BMarsaw — Sun, 19 Jul 2026 22:54:31 +0000

{
  "title": "Best Ways to Protect Your SaaS from Bots: A Developer's Guide",
  "slug": "best-ways-protect-saas-from-bots",
  "meta_description": "Comprehensive guide to bot protection for SaaS applications. Learn rate limiting, fingerprinting, CAPTCHA alternatives, and practical TypeScript/Python implementations.",
  "tags": ["SaaS Security", "Bot Protection", "TypeScript", "Python", "API Security"],
  "body": "# Best Ways to Protect Your SaaS from Bots: A Developer's Guide\n\nBot traffic can cripple your SaaS application. Whether it's credential stuffing, web scraping, fake account creation, or API abuse, bots consume resources, skew analytics, and create security vulnerabilities. After building and securing several SaaS products, I've learned that bot protection isn't about a single silver bullet—it's about layered defences that make your application progressively harder to abuse.\n\nLet's cut through the noise and focus on practical, battle-tested approaches.\n\n## Rate Limiting: Your First Line of Defence\n\nRate limiting is non-negotiable. It's the foundation of any bot protection strategy, yet many developers implement it incorrectly or too late.\n\nThe key is to implement **multi-tiered rate limiting** at different levels:\n\n- **IP-based limits**: Prevent individual IPs from hammering your endpoints\n- **User-based limits**: Restrict authenticated users from excessive API calls\n- **Endpoint-specific limits**: Different endpoints need different thresholds\n- **Global limits**: Protect against distributed attacks\n\nHere's a robust TypeScript implementation using Redis for distributed rate limiting:\n\n```

typescript\nimport { Redis } from 'ioredis';\nimport { Request, Response, NextFunction } from 'express';\n\ninterface RateLimitConfig {\n  windowMs: number;\n  maxRequests: number;\n  keyPrefix: string;\n}\n\nclass RateLimiter {\n  private redis: Redis;\n\n  constructor(redis: Redis) {\n    this.redis = redis;\n  }\n\n  middleware(config: RateLimitConfig) {\n    return async (req: Request, res: Response, next: NextFunction) => {\n      const identifier = req.user?.id || req.ip;\n      const key = `${config.keyPrefix}:${identifier}`;\n      \n      const current = await this.redis.incr(key);\n      \n      if (current === 1) {\n        await this.redis.pexpire(key, config.windowMs);\n      }\n      \n      const ttl = await this.redis.pttl(key);\n      \n      res.setHeader('X-RateLimit-Limit', config.maxRequests.toString());\n      res.setHeader('X-RateLimit-Remaining', Math.max(0, config.maxRequests - current).toString());\n      res.setHeader('X-RateLimit-Reset', new Date(Date.now() + ttl).toISOString());\n      \n      if (current > config.maxRequests) {\n        return res.status(429).json({\n          error: 'Too many requests',\n          retryAfter: Math.ceil(ttl / 1000)\n        });\n      }\n      \n      next();\n    };\n  }\n}\n\n// Usage\nconst limiter = new RateLimiter(redisClient);\n\napp.post('/api/login', \n  limiter.middleware({\n    windowMs: 15 * 60 * 1000, // 15 minutes\n    maxRequests: 5,\n    keyPrefix: 'login'\n  }),\n  loginHandler\n);\n

```\n\nThis implementation is production-ready and handles the Redis expiration edge cases that simpler examples miss. The sliding window approach is more resource-efficient than storing individual request timestamps.\n\n## Beyond CAPTCHA: Modern Bot Detection Techniques\n\nCAPTCHA frustrates legitimate users and sophisticated bots bypass it anyway. Instead, implement **passive bot detection** that doesn't interrupt the user experience.\n\n### Browser Fingerprinting\n\nCollect browser characteristics without relying on cookies:\n\n- Canvas fingerprinting\n- WebGL parameters\n- Audio context fingerprinting\n- Installed fonts and plugins\n- Screen resolution and color depth\n- Timezone and language settings\n\nThe goal isn't perfect identification—it's about detecting inconsistencies that indicate automation. Real users have stable fingerprints across sessions. Bots typically don't.\n\n### Behavioral Analysis\n\nTrack user behavior patterns:\n\n- **Mouse movements**: Bots move in straight lines or not at all\n- **Keystroke dynamics**: Humans have natural typing rhythms\n- **Navigation patterns**: Do users behave like humans or scripts?\n- **Time-on-page**: Bots often interact too quickly\n\nHere's a Python backend service that analyzes these signals:\n\n```

python\nfrom dataclasses import dataclass\nfrom typing import List, Dict\nimport numpy as np\nfrom datetime import datetime\n\n@dataclass\nclass InteractionEvent:\n    timestamp: datetime\n    event_type: str  # 'mousemove', 'click', 'keypress'\n    x: float = 0\n    y: float = 0\n    key: str = ''\n\nclass BotDetector:\n    def __init__(self, threshold: float = 0.7):\n        self.threshold = threshold\n    \n    def analyze_session(self, events: List[InteractionEvent]) -> Dict:\n        scores = {\n            'mouse_movement': self._analyze_mouse_movement(events),\n            'timing': self._analyze_timing(events),\n            'keystroke_pattern': self._analyze_keystrokes(events)\n        }\n        \n        # Weighted average of scores\n        bot_score = (\n            scores['mouse_movement'] * 0.4 +\n            scores['timing'] * 0.3 +\n            scores['keystroke_pattern'] * 0.3\n        )\n        \n        return {\n            'is_bot': bot_score > self.threshold,\n            'confidence': bot_score,\n            'details': scores\n        }\n    \n    def _analyze_mouse_movement(self, events: List[InteractionEvent]) -> float:\n        mouse_events = [e for e in events if e.event_type == 'mousemove']\n        \n        if len(mouse_events) < 10:\n            return 0.8  # Suspicious: too few mouse movements\n        \n        # Calculate movement entropy\n        velocities = []\n        for i in range(1, len(mouse_events)):\n            prev, curr = mouse_events[i-1], mouse_events[i]\n            dx = curr.x - prev.x\n            dy = curr.y - prev.y\n            velocity = np.sqrt(dx**2 + dy**2)\n            velocities.append(velocity)\n        \n        # Human movement has variation; bots are often too consistent\n        if len(velocities) > 0:\n            std_dev = np.std(velocities)\n            # Low variance suggests bot behavior\n            return 1.0 if std_dev < 5 else max(0, 1 - (std_dev / 100))\n        \n        return 0.5\n    \n    def _analyze_timing(self, events: List[InteractionEvent]) -> float:\n        if len(events) < 2:\n            return 0.5\n        \n        intervals = []\n        for i in range(1, len(events)):\n            delta = (events[i].timestamp - events[i-1].timestamp).total_seconds()\n            intervals.append(delta)\n        \n        # Bots often have suspiciously consistent timing\n        if len(intervals) > 0:\n            std_dev = np.std(intervals)\n            # Very low variance is suspicious\n            return 0.9 if std_dev < 0.01 else 0.0\n        \n        return 0.5\n    \n    def _analyze_keystrokes(self, events: List[InteractionEvent]) -> float:\n        keypress_events = [e for e in events if e.event_type == 'keypress']\n        \n        if len(keypress_events) < 5:\n            return 0.3\n        \n        # Analyze time between keypresses\n        intervals = []\n        for i in range(1, len(keypress_events)):\n            delta = (keypress_events[i].timestamp - \n                    keypress_events[i-1].timestamp).total_seconds()\n            intervals.append(delta)\n        \n        # Perfect timing is unnatural\n        if len(intervals) > 0:\n            variance = np.var(intervals)\n            return 0.95 if variance < 0.001 else 0.0\n        \n        return 0.5\n

```\n\nThis detector uses statistical analysis to identify bot-like patterns. In production, you'd train this with real data and adjust weights based on your specific use case.\n\n## API Token Management and Authentication\n\nMany bot attacks target APIs directly, bypassing frontend protections entirely. Robust API authentication is critical:\n\n### Short-lived Tokens with Rotation\n\nImplement token rotation to limit the window of opportunity if tokens are compromised:\n\n- Use JWT with short expiration (15 minutes)\n- Issue refresh tokens with longer expiration (7 days)\n- Rotate refresh tokens on use\n- Maintain a token family to detect token theft\n\n### Request Signing\n\nFor high-security endpoints, require request signatures:\n\n```

typescript\nimport crypto from 'crypto';\n\ninterface SignedRequest {\n  timestamp: number;\n  nonce: string;\n  signature: string;\n}\n\nfunction verifyRequestSignature(\n  req: Request,\n  secret: string,\n  maxAge: number = 300000 // 5 minutes\n): boolean {\n  const { timestamp, nonce, signature } = req.body as SignedRequest;\n  \n  // Prevent replay attacks\n  if (Date.now() - timestamp > maxAge) {\n    return false;\n  }\n  \n  // In production, check nonce against a cache to prevent reuse\n  // if (await isNonceUsed(nonce)) return false;\n  \n  const payload = JSON.stringify({\n    method: req.method,\n    path: req.path,\n    body: req.body,\n    timestamp,\n    nonce\n  });\n  \n  const expectedSignature = crypto\n    .createHmac('sha256', secret)\n    .update(payload)\n    .digest('hex');\n  \n  return crypto.timingSafeEqual(\n    Buffer.from(signature),\n    Buffer.from(expectedSignature)\n  );\n}\n

\n\nThis makes it nearly impossible for attackers to forge valid requests without knowing your secret.\n\n## Infrastructure-Level Protection\n\nDon't rely solely on application-level defences. Your infrastructure should provide additional layers:\n\n### Use a Web Application Firewall (WAF)\n\nServices like Cloudflare, AWS WAF, or Fastly provide:\n\n- DDoS protection\n- Managed rulesets for common attack patterns\n- Geoblocking when appropriate\n- Automatic bot detection\n\nYes, these cost money. They're worth it. A single successful attack will cost more than years of WAF fees.\n\n### Implement Challenge-Response for Suspicious Traffic\n\nRather than blocking suspicious requests outright, challenge them:\n\n- Serve a JavaScript challenge that bots can't easily solve\n- Require proof-of-work for high-risk actions\n- Use progressive challenges that escalate with suspicion level\n\nThis approach minimizes false posit

🛠 Recommended Tools

Upstash — Serverless Redis and Kafka — pay per request
Cloudflare Workers — Serverless at the edge — 100k requests/day free
Clerk — Drop-in authentication for React and Next.js — free up to 10k users

Disclosure: some links above may earn a referral commission if you sign up.

📚 Recommended Reading

Want to go deeper on bots?? These are worth it:

Web Application Security: Exploitation and Countermeasures for Modern Web Applications by Andrew Hoffman
The Web Application Hacker's Handbook: Finding and Exploiting Security Flaws by Dafydd Stuttard

These are affiliate links — if you buy through them I earn a small commission at no extra cost to you.

GDPR Compliance for Systems-Oriented SaaS: A Developer's Implementation Guide

BMarsaw — Sun, 19 Jul 2026 22:53:39 +0000

GDPR Compliance for Systems-Oriented SaaS: A Developer's Implementation Guide

GDPR compliance for systems-oriented SaaS products presents unique challenges. Unlike consumer-facing applications where user data is centralized and obvious, systems tools often interact with infrastructure, logs, metrics, and metadata that may contain personal data in unexpected places. This guide provides practical strategies for achieving GDPR compliance without sacrificing the deep system insights your customers expect.

Understanding Personal Data in Systems-Oriented Products

The first mistake developers make is assuming their infrastructure monitoring tool or deployment platform doesn't handle personal data. GDPR defines personal data broadly: any information relating to an identified or identifiable natural person.

In systems-oriented SaaS, personal data often hides in:

Application logs containing usernames, email addresses, or IP addresses
Error traces with user session identifiers or authentication tokens
API request metadata including user agents and timestamps
Audit logs tracking who deployed what and when
Infrastructure metrics tagged with employee identifiers

The opinionated take: don't try to argue that your product doesn't handle personal data. Instead, build privacy-first data handling from day one. It's easier to maintain compliance when privacy is architectural rather than bolted on.

Data Processing Agreements and Legal Foundations

As a SaaS provider, you're typically a data processor, not a data controller. Your customers (the organizations using your service) are the controllers. This matters because:

You need a Data Processing Agreement (DPA) with every customer
You can only process data according to their instructions
You must assist them with data subject requests

Many developers overlook this, but your Terms of Service aren't sufficient. You need a separate DPA that specifically addresses GDPR Article 28 requirements.

Practical tip: Create a standard DPA template and make it available on your website. Tools like PandaDoc or DocuSign can automate the signing process. For smaller customers, consider offering a click-through DPA during signup.

Implementing Data Subject Rights at Scale

GDPR grants individuals several rights: access, rectification, erasure, portability, and objection. For systems-oriented SaaS, the right to erasure ("right to be forgotten") is typically the most complex.

Here's a Python implementation pattern for handling deletion requests across multiple data stores:

python
from typing import List, Dict
import asyncio
from datetime import datetime

class GDPRDataEraser:
def init(self):
self.data_stores = [
('postgresql', self._erase_from_postgres),
('elasticsearch', self._erase_from_elasticsearch),
('s3_logs', self._erase_from_s3),
('redis_cache', self._erase_from_redis),
]

async def process_erasure_request(self, user_identifier: str, 
                                 request_id: str) -> Dict:
    """
    Process a GDPR erasure request across all data stores.
    Returns a detailed log for compliance auditing.
    """
    results = {
        'request_id': request_id,
        'user_identifier': user_identifier,
        'timestamp': datetime.utcnow().isoformat(),
        'stores_processed': [],
        'errors': []
    }

    for store_name, erase_func in self.data_stores:
        try:
            records_deleted = await erase_func(user_identifier)
            results['stores_processed'].append({
                'store': store_name,
                'records_deleted': records_deleted,
                'status': 'success'
            })
        except Exception as e:
            results['errors'].append({
                'store': store_name,
                'error': str(e)
            })

    # Log the erasure for compliance audit trail
    await self._log_erasure_event(results)

    return results

async def _erase_from_postgres(self, user_id: str) -> int:
    # Implement database-specific erasure logic
    # Use CASCADE deletes carefully or handle FK constraints
    pass

async def _erase_from_elasticsearch(self, user_id: str) -> int:
    # Delete documents containing user data from logs/metrics
    pass

async def _erase_from_s3(self, user_id: str) -> int:
    # Handle log files - might need to rewrite files
    # or maintain a deletion manifest
    pass

async def _erase_from_redis(self, user_id: str) -> int:
    # Clear cached data
    pass

async def _log_erasure_event(self, results: Dict):
    # Store in append-only compliance log
    # This log itself must be protected from modification
    pass

For TypeScript services, implement a similar pattern with middleware to automatically filter deleted user data:

typescript
interface ErasedUser {
userId: string;
erasedAt: Date;
}

class GDPRErasureFilter {
private erasedUsersCache: Map = new Map();

async isUserErased(userId: string): Promise {
// Check cache first
if (this.erasedUsersCache.has(userId)) {
return true;
}

// Check erasure log
const erasureRecord = await this.checkErasureLog(userId);
if (erasureRecord) {
  this.erasedUsersCache.set(userId, erasureRecord.erasedAt);
  return true;
}

return false;

}

async filterQueryResults(results: T[]): Promise {
return results.filter(async (result) => {
if (!result.userId) return true;
return !(await this.isUserErased(result.userId));
});
}

private async checkErasureLog(userId: string): Promise {
// Query your compliance database
// This should be fast - consider using Redis
return null;
}
}

Data Retention and Automated Cleanup

Systems-oriented SaaS products generate massive amounts of data. GDPR requires you to retain personal data only as long as necessary. Define clear retention periods and implement automated cleanup.

Key strategies:

Aggregate and anonymize: After 30-90 days, aggregate detailed logs into anonymous metrics
Pseudonymization: Replace user identifiers with hashed values for long-term analytics
Time-series data: Use TTL (Time To Live) features in databases like InfluxDB or TimescaleDB
Archive vs. delete: Some data must be retained for legal/accounting purposes - separate this from operational data

Opinionated stance: Default to shorter retention periods. Most companies over-retain data "just in case." In practice, logs older than 90 days are rarely accessed. Aggressive cleanup reduces your compliance burden and storage costs.

Documentation and Transparency

GDPR requires transparency about data processing. For developer-focused SaaS, this means:

Public privacy policy explaining what data you collect and why
Data processing documentation in your product docs
API documentation showing which endpoints handle personal data
Security documentation describing encryption, access controls, and breach procedures

Go beyond the minimum: developers trust products that are transparent about data handling. Consider publishing a "Data Flow Diagram" showing exactly how data moves through your system and where it's stored.

For APIs that handle personal data, include privacy notes in your OpenAPI/Swagger specs:

yaml
paths:
/api/v1/audit-logs:
get:
summary: Retrieve audit logs
x-gdpr-data-categories:
- user_identifiers
- activity_metadata
x-data-retention: "90 days"

Conclusion

GDPR compliance for systems-oriented SaaS isn't a checkbox exercise. It requires architectural decisions about data handling, automated processes for data subject requests, clear retention policies, and comprehensive documentation.

The good news: implementing these practices makes your product better. Customers increasingly demand privacy-respecting tools, especially for infrastructure and developer products that access sensitive systems. Building GDPR compliance into your core architecture differentiates your SaaS in a crowded market.

Start with data mapping to understand where personal data flows in your system. Implement automated erasure workflows early—retrofitting them is painful. And most importantly, document everything. When (not if) you receive a data subject request or audit inquiry, having clear documentation and automated processes means responding in hours rather than weeks.

🛠 Recommended Tools

Supabase — Open-source Firebase alternative with PostgreSQL and built-in auth
Neon — Serverless PostgreSQL with branching — generous free tier
Sentry — Error tracking and performance monitoring — free for small projects

Disclosure: some links above may earn a referral commission if you sign up.

📚 Recommended Reading

Want to go deeper on SaaS? These are worth it:

GDPR for Dummies by Marty Hodgson
The Art of Software Architecture: Design Methods and Patterns by Richard Lopes

These are affiliate links — if you buy through them I earn a small commission at no extra cost to you.

The Best Python SaaS Boilerplates in 2024: A Comprehensive Guide

BMarsaw — Sun, 19 Jul 2026 22:51:48 +0000

The Best Python SaaS Boilerplates in 2024: A Comprehensive Guide

Building a SaaS application from scratch means reinventing the wheel on authentication, billing, user management, and countless other features before you even touch your core product. If you're asking "what's a good Python boilerplate for SaaS apps?" — you're asking the right question.

This guide cuts through the noise to show you the best Python SaaS boilerplates available today, what they offer, and which one matches your specific needs.

Why You Need a SaaS Boilerplate

Every SaaS application needs the same foundational features:

User authentication and authorization
Subscription billing and payment processing
Team/organization management
Email notifications and templates
Admin dashboards
API infrastructure
Database migrations
Testing frameworks

Building these from scratch takes 3-6 months minimum. A solid boilerplate gets you to market in weeks instead of months, letting you focus on your unique value proposition rather than plumbing.

The key is choosing a boilerplate that matches your stack and doesn't create technical debt.

Top Python SaaS Boilerplates Compared

SaaS Pegasus (Django + React/HTMX)

Best for: Django developers who want a production-ready foundation

SaaS Pegasus is the most comprehensive Django-based SaaS boilerplate. It's a paid option ($249-$595) but delivers exceptional value.

What you get:

Django 5.x backend with modern best practices
Choice of React, Vue, or HTMX for frontend
Stripe integration with subscription management
Team/organization support out of the box
Tailwind CSS styling
Celery for background tasks
Comprehensive test coverage
Docker deployment configuration

Code quality: Excellent. The creator (Cory Zue) is a veteran Django developer who maintains the codebase actively.

python

Example: Pegasus subscription check decorator

from apps.subscriptions.decorators import active_subscription_required

@active_subscription_required
def premium_feature_view(request):
# This view only accessible to users with active subscriptions
return render(request, 'premium_feature.html')

FastAPI SaaS Template

Best for: Developers who prefer FastAPI's modern async approach

FastAPI is Python's fastest-growing web framework, and several solid boilerplates have emerged:

Full Stack FastAPI Template (Free, by FastAPI's creator):

FastAPI backend with SQLModel
React frontend with TypeScript
PostgreSQL database
Docker Compose for local development
Traefik for routing
JWT authentication

Limitations: Doesn't include billing integration or advanced SaaS features. You'll need to add Stripe/payment processing yourself.

python

Example: FastAPI subscription endpoint

from fastapi import APIRouter, Depends
from app.models import User
from app.core.auth import get_current_active_user

router = APIRouter()

@router.get("/subscription/status")
async def get_subscription_status(
current_user: User = Depends(get_current_active_user)
):
return {
"plan": current_user.subscription_plan,
"status": current_user.subscription_status,
"expires_at": current_user.subscription_expires
}

Shipfast Python (Flask-based)

Best for: Developers who want lightweight and flexible

Flask's minimalism makes it popular for SaaS MVPs, though you'll find fewer comprehensive boilerplates compared to Django.

Key Flask boilerplates:

Flask-AppBuilder: Focuses on admin dashboards and CRUD
Cookiecutter Flask: Solid foundation but requires more custom work

Trade-off: More flexibility but less out-of-the-box SaaS functionality.

Essential Features to Look For

Not all boilerplates are created equal. Here's what separates great from mediocre:

1. Modern Frontend Integration

Your boilerplate should support modern frontend frameworks (React, Vue) or HTMX for progressive enhancement. Avoid templates stuck in jQuery era.

2. Payment Processing

Stripe integration is non-negotiable. Look for:

Subscription management (create, update, cancel)
Webhook handling for payment events
Invoice generation
Usage-based billing support

3. Authentication Done Right

Email/password authentication
Social auth (Google, GitHub, etc.)
Password reset flows
Email verification
Two-factor authentication (nice to have)

4. Multi-tenancy Support

If you're building B2B SaaS, you need team/organization support from day one. Retrofitting multi-tenancy is painful.

5. Developer Experience

Comprehensive documentation
Active maintenance and updates
Docker setup for consistent environments
CI/CD pipeline examples
Type hints and modern Python practices

The Free vs. Paid Decision

Free boilerplates (FastAPI Template, Cookiecutter Django) give you a foundation but require significant customization for SaaS-specific features.

Paid boilerplates (SaaS Pegasus, Divjoy for React) cost $200-600 but include:

Battle-tested billing integration
Professional UI components
Ongoing updates and support
Time savings worth thousands of dollars

My take: If you're building a serious business, paid boilerplates are worth every penny. The opportunity cost of 2-3 months additional development far exceeds the upfront cost.

Building Your Own Custom Stack

Sometimes your requirements don't fit existing boilerplates. If you're combining Python backend with modern TypeScript/React frontend, consider this approach:

Backend: FastAPI or Django REST Framework

Frontend: Next.js or Vite + React

Authentication: Auth0 or Supabase

Payments: Stripe Checkout + Webhooks

Database: PostgreSQL

Deployment: Vercel (frontend) + Railway/Render (backend)

This gives you best-in-class tools for each layer but requires more integration work upfront.

Conclusion: Which Boilerplate Should You Choose?

Choose SaaS Pegasus if:

You're comfortable with Django
You want maximum features out of the box
Budget allows for paid tools
You're building a serious business

Choose FastAPI Template if:

You prefer FastAPI's modern async approach
You're comfortable adding billing yourself
You want a free, solid foundation
You need high performance APIs

Choose Flask/Custom if:

You have specific requirements
You want maximum control
You have time for customization
You're building something unconventional

The best boilerplate isn't the one with the most features — it's the one that gets you to market fastest while maintaining code quality. Choose based on your framework preference, budget, and timeline.

Remember: the goal isn't perfect architecture on day one. It's validating your business idea with real customers. Pick a boilerplate, ship your MVP, and iterate based on real feedback. You can always refactor later when you have revenue justifying the investment.

🛠 Recommended Tools

Railway — Deploy any app with a git push — free starter plan
Supabase — Open-source Firebase alternative with PostgreSQL and built-in auth
Stripe — Payment processing with a developer-first API

Disclosure: some links above may earn a referral commission if you sign up.

📚 Recommended Reading

Want to go deeper on Python?? These are worth it:

Two Scoops of Django 3.x by Daniel Roy Greenfeld
Flask Web Development: Building Applications with Flask by Miguel Grinberg

These are affiliate links — if you buy through them I earn a small commission at no extra cost to you.

Ask HN: List of SaaS with number of users?

BMarsaw — Sun, 19 Jul 2026 22:51:10 +0000

{
  "title": "SaaS User Count Database: How to Track and Benchmark Active Users Across Popular Tools",
  "slug": "saas-user-count-database-benchmarking-guide",
  "meta_description": "Comprehensive list of SaaS user counts plus how to build your own tracking system. Benchmarking data for developers, founders, and product teams.",
  "tags": ["saas", "metrics", "benchmarking", "product-analytics", "developer-tools"],
  "body": "# SaaS User Count Database: How to Track and Benchmark Active Users Across Popular Tools\n\nIf you're building a SaaS product, understanding how your user count stacks up against competitors is crucial. Yet finding reliable, up-to-date user numbers for SaaS products is surprisingly difficult. Most companies guard this data jealously, and when they do share numbers, it's often in press releases designed to paint the rosiest picture possible.\n\nThis guide provides both a curated list of SaaS user counts and—more importantly—a practical framework for tracking and benchmarking user metrics yourself.\n\n## Why SaaS User Counts Matter (And Why They're Hard to Find)\n\nUser counts serve multiple purposes for founders and product teams:\n\n- **Competitive benchmarking**: Understanding where you stand in your market segment\n- **Investor storytelling**: Contextualizing your growth trajectory\n- **Market sizing**: Validating TAM assumptions with real-world data\n- **Feature prioritization**: Larger competitors' user counts can indicate market demand\n\nThe challenge? Public companies must disclose paying customers in earnings reports, but private companies have no such obligation. Even when numbers are shared, definitions vary wildly: registered users vs. active users vs. paying customers.\n\n## Current SaaS User Count Data (2024)\n\nHere's a curated list of SaaS products with publicly available user data, focused on developer tools and productivity software:\n\n### Developer Tools & Infrastructure\n\n- **GitHub**: 100M+ developers (2023)\n- **GitLab**: 30M+ registered users (2023)\n- **Vercel**: 1M+ developers (2023)\n- **Railway**: 100K+ developers (2023)\n- **Supabase**: 1M+ developers (2024)\n- **Clerk**: 100K+ users (2023)\n- **PlanetScale**: 100K+ databases created (2023)\n\n### Productivity & Collaboration\n\n- **Slack**: 20M+ daily active users (2023)\n- **Notion**: 30M+ users (2023)\n- **Linear**: 20K+ companies (2023)\n- **Superhuman**: 1M+ on waitlist, est. 500K+ active (2023)\n- **Cron (Notion Calendar)**: Acquired before public numbers\n- **Height**: 10K+ users (2023)\n\n### Development Platforms\n\n- **Replit**: 25M+ users (2023)\n- **CodeSandbox**: 4M+ developers (2023)\n- **StackBlitz**: 3M+ developers (2023)\n\n### Analytics & Monitoring\n\n- **PostHog**: 50K+ deployments (2023)\n- **Sentry**: 4M+ developers (2023)\n- **Mixpanel**: 8K+ customers (2022)\n- **Amplitude**: 2K+ customers (2022)\n\n**Note**: These numbers come from company announcements, press releases, and earnings calls. Treat them as approximate and be aware that \"users\" definitions vary.\n\n## Building Your Own SaaS Tracking System\n\nRather than relying on stale data, build a system to continuously track competitor metrics. Here's a practical Python implementation using web scraping and API monitoring:\n\n```

python\nimport requests\nfrom datetime import datetime\nimport sqlite3\nfrom typing import Dict, Optional\n\nclass SaaSMetricsTracker:\n    def __init__(self, db_path: str = \"saas_metrics.db\"):\n        self.db = sqlite3.connect(db_path)\n        self._init_db()\n    \n    def _init_db(self):\n        self.db.execute(\"\"\"\n            CREATE TABLE IF NOT EXISTS metrics (\n                id INTEGER PRIMARY KEY,\n                company TEXT,\n                metric_type TEXT,\n                value INTEGER,\n                source TEXT,\n                timestamp DATETIME,\n                UNIQUE(company, metric_type, timestamp)\n            )\n        \"\"\")\n        self.db.commit()\n    \n    def track_github_stars(self, repo: str) -> Optional[Dict]:\n        \"\"\"Track GitHub stars as a proxy for developer interest\"\"\"\n        try:\n            response = requests.get(\n                f\"https://api.github.com/repos/{repo}\",\n                headers={\"Accept\": \"application/vnd.github.v3+json\"}\n            )\n            data = response.json()\n            \n            metric = {\n                \"company\": repo.split(\"/\")[1],\n                \"metric_type\": \"github_stars\",\n                \"value\": data[\"stargazers_count\"],\n                \"source\": f\"github:{repo}\",\n                \"timestamp\": datetime.now()\n            }\n            \n            self._save_metric(metric)\n            return metric\n        except Exception as e:\n            print(f\"Error tracking {repo}: {e}\")\n            return None\n    \n    def track_npm_downloads(self, package: str) -> Optional[Dict]:\n        \"\"\"Track NPM weekly downloads for TypeScript/React tools\"\"\"\n        try:\n            response = requests.get(\n                f\"https://api.npmjs.org/downloads/point/last-week/{package}\"\n            )\n            data = response.json()\n            \n            metric = {\n                \"company\": package,\n                \"metric_type\": \"npm_weekly_downloads\",\n                \"value\": data[\"downloads\"],\n                \"source\": f\"npm:{package}\",\n                \"timestamp\": datetime.now()\n            }\n            \n            self._save_metric(metric)\n            return metric\n        except Exception as e:\n            print(f\"Error tracking {package}: {e}\")\n            return None\n    \n    def _save_metric(self, metric: Dict):\n        self.db.execute(\"\"\"\n            INSERT OR REPLACE INTO metrics \n            (company, metric_type, value, source, timestamp)\n            VALUES (?, ?, ?, ?, ?)\n        \"\"\", (\n            metric[\"company\"],\n            metric[\"metric_type\"],\n            metric[\"value\"],\n            metric[\"source\"],\n            metric[\"timestamp\"]\n        ))\n        self.db.commit()\n    \n    def get_growth_rate(self, company: str, metric_type: str, days: int = 30) -> Optional[float]:\n        \"\"\"Calculate growth rate over specified period\"\"\"\n        cursor = self.db.execute(\"\"\"\n            SELECT value, timestamp FROM metrics\n            WHERE company = ? AND metric_type = ?\n            ORDER BY timestamp DESC LIMIT 2\n        \"\"\", (company, metric_type))\n        \n        results = cursor.fetchall()\n        if len(results) < 2:\n            return None\n        \n        new_value, old_value = results[0][0], results[1][0]\n        return ((new_value - old_value) / old_value) * 100\n\n# Usage example\ntracker = SaaSMetricsTracker()\n\n# Track developer tools\ntracker.track_github_stars(\"vercel/next.js\")\ntracker.track_github_stars(\"supabase/supabase\")\ntracker.track_npm_downloads(\"react\")\ntracker.track_npm_downloads(\"@clerk/clerk-react\")\n\n# Calculate growth\ngrowth = tracker.get_growth_rate(\"next.js\", \"github_stars\")\nprint(f\"Next.js star growth: {growth:.2f}%\")\n

```\n\nThis tracker gives you:\n\n- **Persistent storage** of competitor metrics over time\n- **Growth rate calculations** to spot trending tools\n- **Multiple data sources** (GitHub, NPM, extensible to others)\n- **Historical comparison** capabilities\n\n## Alternative Proxy Metrics When User Counts Aren't Public\n\nWhen companies don't publish user numbers, track these proxies:\n\n### For Developer Tools\n- **GitHub stars and fork counts**: Strong signal for developer interest\n- **NPM/PyPI download trends**: Weekly downloads indicate adoption\n- **Stack Overflow questions**: Growing question volume = growing user base\n- **Job postings mentioning the tool**: Companies hiring for specific tools\n\n### For SaaS Products\n- **LinkedIn employee count growth**: Hiring patterns indicate revenue growth\n- **Domain authority and organic traffic**: Use Ahrefs/SEMrush APIs\n- **Chrome extension users**: Many SaaS tools have browser extensions with public install counts\n- **Twitter/X follower growth**: Weak signal but easy to track\n\n### Building a TypeScript Dashboard\n\nFor continuous monitoring, build a simple React dashboard:\n\n```

typescript\nimport { useQuery } from '@tanstack/react-query';\nimport { LineChart, Line, XAxis, YAxis, Tooltip } from 'recharts';\n\ninterface Metric {\n  company: string;\n  value: number;\n  timestamp: string;\n}\n\nconst fetchMetrics = async (company: string): Promise<Metric[]> => {\n  const response = await fetch(`/api/metrics/${company}`);\n  return response.json();\n};\n\nexport const CompetitorDashboard = ({ companies }: { companies: string[] }) => {\n  const queries = companies.map(company => \n    useQuery(['metrics', company], () => fetchMetrics(company))\n  );\n\n  return (\n    <div className=\"grid grid-cols-2 gap-4\">\n      {companies.map((company, idx) => {\n        const data = queries[idx].data || [];\n        return (\n          <div key={company} className=\"border rounded p-4\">\n            <h3 className=\"font-bold mb-2\">{company}</h3>\n            <LineChart width={400} height={200} data={data}>\n              <XAxis dataKey=\"timestamp\" />\n              <YAxis />\n              <Tooltip />\n              <Line type=\"monotone\" dataKey=\"value\" stroke=\"#8884d8\" />\n            </LineChart>\n          </div>\n        );\n      })}\n    </div>\n  );\n};\n

\n\n## The Real Value: Understanding Context, Not Just Numbers\n\nRaw user counts mean nothing without context. A B2B tool with 5,000 enterprise customers might generate more revenue than a free developer tool with 5 million users. \n\nWhat matters:\n\n- User quality over quantity: 1,000 paying customers beats 100,000 tire-kickers\n- Growth trajectory: 10% MoM growth matters more than absolute numbers\n- Market position: Being #3 in a $10B market beats being #1 in a $100M market\n- Engagement metrics: DAU/MAU ratio reveals product stickiness\n\nUse the data above and tracking systems as a starting point, but dig deeper. Read earnings calls, analyze pricing pages, monitor team hiring patterns. The most valuable insights come from synthesizing multiple data sources, not from any single metric.\n\n## Conclusion\n\nWhile finding exact SaaS user counts remains challenging, the combination of public data points, proxy metrics, and automated tracking gives you a solid foundation for competitive analysis. Build your own tracking infrastructure, focus on growth trends over absolute numbers, and remember that sustainable SaaS success comes from solving real problems—not from hitting arbitrary user count milestones.\n\nThe Python tracker and

🛠 Recommended Tools

PostHog — Open-source product analytics — self-host or cloud, free tier
Linear — Issue tracking that doesn't get in your way — built for engineering teams

Disclosure: some links above may earn a referral commission if you sign up.

📚 Recommended Reading

Want to go deeper on users?? These are worth it:

The SaaS Playbook: Build a Multimillion-Dollar Startup Without VC Funding by David Rusenko
Lean Analytics: Use Data to Build a Better Startup Faster by Alistair Croll and Benjamin Yoskovitz

These are affiliate links — if you buy through them I earn a small commission at no extra cost to you.

Ask HN: Support SaaS - Building vs Buying Customer Support Tools in 2024

BMarsaw — Sun, 19 Jul 2026 22:49:56 +0000

Ask HN: Support SaaS - Building vs Buying Customer Support Tools in 2024

If you've shipped a SaaS product, you've faced this question: how do you handle customer support without it consuming your entire team?

The Hacker News thread "Ask HN: Support SaaS" reveals a consistent pattern - founders start with email, quickly get overwhelmed, then either overpay for enterprise tools or waste months building custom solutions. Neither path is optimal.

This article cuts through the noise. I'll share what actually works based on building multiple developer-focused SaaS products, including specific recommendations, integration patterns, and the decision framework you need.

The Real Problem with Support SaaS Tools

Most support platforms weren't built for technical products. They're designed for e-commerce or B2C companies handling "Where's my order?" tickets, not developers debugging API integration issues.

Here's what breaks:

Context switching kills productivity. Your support tool lives in isolation while customer data sits in your database, error logs live in Sentry, and usage metrics hide in your analytics platform. Every ticket becomes an archaeological expedition.

Pricing models punish growth. Per-agent pricing makes hiring support expensive. Per-ticket pricing encourages bad behavior (ignoring customers). Per-contact pricing explodes as you scale.

Integration overhead is real. Most tools require you to pipe customer data into their system, maintain synchronization, and build custom integrations just to see basic context.

When to Build Your Own Support System

Build when:

Your product IS support infrastructure. If you're building DevOps tools, monitoring platforms, or developer APIs, your support system should demonstrate your product's capabilities.
You have extreme customization needs. One founder I know built a custom support system that automatically creates staging environments with replicated customer data for every ticket. Try doing that with Zendesk.
You have engineering bandwidth to spare. Realistically, a basic support system takes 2-3 weeks to build and requires ongoing maintenance.

Here's a minimal support system using Python/FastAPI and React:

python

backend/tickets.py

from fastapi import FastAPI, Depends
from sqlalchemy.orm import Session
from typing import List
import httpx

app = FastAPI()

class TicketService:
def init(self, db: Session):
self.db = db

async def create_ticket(self, user_id: int, subject: str, body: str):
    # Enrich with context automatically
    user_data = await self._get_user_context(user_id)
    error_logs = await self._get_recent_errors(user_id)
    usage_stats = await self._get_usage_stats(user_id)

    ticket = Ticket(
        user_id=user_id,
        subject=subject,
        body=body,
        context={
            "user": user_data,
            "recent_errors": error_logs,
            "usage": usage_stats,
            "plan": user_data.get("subscription_plan")
        }
    )
    self.db.add(ticket)
    self.db.commit()

    # Auto-categorize and route
    await self._auto_categorize(ticket)
    return ticket

async def _get_user_context(self, user_id: int):
    """Pull relevant context from your existing database"""
    user = self.db.query(User).filter(User.id == user_id).first()
    return {
        "email": user.email,
        "created_at": user.created_at,
        "plan": user.subscription_plan,
        "last_login": user.last_login,
        "total_api_calls": user.api_call_count
    }

async def _get_recent_errors(self, user_id: int):
    """Fetch from error tracking"""
    # Integration with your error tracking system
    return await self.db.query(ErrorLog)\
        .filter(ErrorLog.user_id == user_id)\
        .order_by(ErrorLog.created_at.desc())\
        .limit(10).all()

The React component for this is straightforward:

typescript
// TicketView.tsx
import React from 'react';
import { useQuery } from '@tanstack/react-query';

interface TicketContext {
user: UserData;
recent_errors: Error[];
usage: UsageStats;
plan: string;
}

const TicketView: React.FC<{ ticketId: string }> = ({ ticketId }) => {
const { data: ticket } = useQuery(['ticket', ticketId],
() => fetch(/api/tickets/${ticketId}).then(r => r.json())
);

return (

{ticket.subject}

{ticket.body}

  {/* This is the killer feature - automatic context */}
  <aside className="ticket-context">
    <h3>User Context</h3>
    <dl>
      <dt>Plan</dt>
      <dd>{ticket.context.plan}</dd>

      <dt>Last API Call</dt>
      <dd>{ticket.context.usage.last_call}</dd>

      <dt>Recent Errors</dt>
      <dd>
        {ticket.context.recent_errors.map(err => (
          <div key={err.id} className="error-preview">
            <code>{err.message}</code>
            <span>{err.timestamp}</span>
          </div>
        ))}
      </dd>
    </dl>
  </aside>
</div>

);
};

When to Buy (And Which Ones Don't Suck)

Buy when you need to ship fast and support isn't your differentiator.

Plain (plain.com) - Built for technical teams. Thread-based, lives in email, actually good API. No per-agent pricing nonsense. This is what I use.

Linear (linear.app) - Not a support tool, but many dev tool companies use it for customer issues. Customers file issues directly. Everything stays in one system. Works if your customers are technical.

Intercom - Expensive but powerful if you need proactive messaging and automation. The API is solid for custom integrations. Overkill for early-stage.

Avoid: Zendesk (bloated, expensive), Freshdesk (death by a thousand integrations), HelpScout (fine but unremarkable).

The Hybrid Approach That Actually Works

The smart move? Use a lightweight tool but build critical integrations.

Here's a webhook handler that enriches incoming support tickets:

typescript
// webhooks/support-enrichment.ts
import { NextApiRequest, NextApiResponse } from 'next';
import { prisma } from '@/lib/prisma';
import { plain } from '@/lib/plain-client';

export default async function handler(
req: NextApiRequest,
res: NextApiResponse
) {
if (req.method !== 'POST') {
return res.status(405).end();
}

const { threadId, customerEmail } = req.body;

// Fetch rich context from your database
const user = await prisma.user.findUnique({
where: { email: customerEmail },
include: {
subscription: true,
apiKeys: true,
recentEvents: {
take: 50,
orderBy: { createdAt: 'desc' }
}
}
});

if (!user) {
return res.status(200).json({ message: 'No user found' });
}

// Add context to the ticket automatically
await plain.addThreadLabels(threadId, [
plan:${user.subscription.plan},
mrr:${user.subscription.mrr},
health:${calculateHealthScore(user)}
]);

await plain.addTimelineEntry(threadId, {
type: 'custom',
title: 'User Context',
body: `
Account Details

Plan: ${user.subscription.plan}
MRR: $${user.subscription.mrr}
Created: ${user.createdAt.toLocaleDateString()}
Last active: ${user.lastActiveAt.toLocaleDateString()}

Recent Activity
${user.recentEvents.slice(0, 5).map(e => - ${e.type}: ${e.description}).join('\n')}
`
});

return res.status(200).json({ success: true });
}

This approach gives you 80% of a custom system's benefits while maintaining 20% of the complexity.

The Decision Framework

Use this flowchart:

< 100 customers? Just use email. Seriously. Gmail + canned responses is enough.
100-1000 customers, technical product? Plain or Linear. Build webhook enrichments.
1000+ customers, non-technical users? Intercom or build custom. No middle ground here.
Support IS your product? Build it. Make it a feature.

Conclusion

The "Ask HN: Support SaaS" question doesn't have one answer. It has three:

Early stage: Email + discipline + canned responses
Growth stage: Lightweight tool + smart integrations
Scale stage: Build it or pay enterprise prices

The mistake is jumping to enterprise tools too early or building custom too late. Most developer-focused SaaS companies thrive in the hybrid zone - a simple tool augmented with custom code that surfaces the context support needs.

Stop overthinking it. Pick a tool that has a good API, spend two days building enrichment webhooks, and get back to building your actual product. Your customers care more about fast, contextual responses than which ticketing system you use.

The best support system is the one that lets your team solve problems quickly. Everything else is optimization theater.

🛠 Recommended Tools

Supabase — Open-source Firebase alternative with PostgreSQL and built-in auth
Stripe — Payment processing with a developer-first API
Sentry — Error tracking and performance monitoring — free for small projects

Disclosure: some links above may earn a referral commission if you sign up.

📚 Recommended Reading

Want to go deeper on SaaS? These are worth it:

The SaaS Playbook: Build a Multimillion-Dollar Startup Without VC Funding by David Hauser
Traction: How Any Startup Can Achieve Explosive Growth by Gabriel Weinberg and Justin Mares

These are affiliate links — if you buy through them I earn a small commission at no extra cost to you.

Are Open-Source Alternatives Threatening SaaS? A Developer's Perspective

BMarsaw — Sun, 19 Jul 2026 22:49:01 +0000

Are Open-Source Alternatives Threatening SaaS? A Developer's Perspective

The SaaS landscape is experiencing a seismic shift. For every established SaaS product, there's now a credible open-source alternative gaining traction. Supabase challenges Firebase, Plausible competes with Google Analytics, and PostHog takes on Mixpanel. The question isn't whether open-source alternatives exist—it's whether they're genuinely threatening the SaaS business model.

Spoiler: They are, but not in the way you might think.

The Open-Source SaaS Paradox

Here's what's fascinating: many successful "open-source alternatives" are themselves SaaS companies. They've cracked a code that seemed impossible a decade ago—giving away the source code while building profitable businesses.

The playbook looks like this:

Build in public with an open-source license (often Apache 2.0 or MIT)
Offer managed hosting as the primary revenue stream
Provide an enterprise tier with additional features, support, or compliance
Attract developers who self-host, creating a feedback loop and community

This model works because self-hosting is harder than most developers admit. As one engineer put it: "I can host it myself, but do I want to debug Postgres replication issues at 3 AM? Absolutely not."

Where Open-Source Wins (And Where It Doesn't)

Open-source alternatives dominate in specific categories:

Developer Tools & Infrastructure

This is where open-source thrives. Developers trust what they can inspect and modify. Products like PostHog (analytics), n8n (workflow automation), and Appwrite (backend-as-a-service) have captured significant market share from proprietary alternatives.

Here's a simple example showing why developers prefer inspectable code. With PostHog (open-source), you can create custom events in TypeScript:

typescript
import posthog from 'posthog-js'

// Initialize with full control over data destination
posthog.init('your-api-key', {
api_host: process.env.POSTHOG_HOST || 'https://app.posthog.com',
// You can self-host and modify this endpoint
loaded: (posthog) => {
if (process.env.NODE_ENV === 'development') posthog.opt_out_capturing()
},
})

// Track custom events with complete transparency
export const trackFeatureUsage = (featureName: string, metadata?: object) => {
posthog.capture('feature_used', {
feature: featureName,
...metadata,
// You know exactly where this data goes
})
}

The comfort of knowing you can fork, modify, or self-host this codebase is powerful. You're not locked into a vendor's decisions.

Where Proprietary SaaS Still Dominates

Open-source struggles with:

Vertical SaaS (industry-specific solutions where domain expertise matters more than code)
Enterprise sales-driven products (Salesforce, SAP—relationships matter more than features)
Consumer apps (most users don't care about open-source)
Complex compliance products (certifications and audits favor established vendors)

The Real Threat: Changing Buyer Expectations

The existential threat to traditional SaaS isn't that customers will self-host everything. It's that open-source alternatives have fundamentally changed what customers expect:

Transparency Over Black Boxes: Developers increasingly reject tools they can't inspect. "Trust us" doesn't cut it anymore.

Fair Pricing: When customers can see your costs (because your code is public), aggressive margin extraction becomes harder. Open-source has made pricing more honest.

Data Ownership: Self-hosting options create leverage. Even customers who use managed hosting appreciate knowing they're not trapped.

Community-Driven Development: Public roadmaps and GitHub issues have raised the bar for customer engagement.

Building SaaS in the Open-Source Era

If you're building a SaaS product today, here's what matters:

1. Open-Core Can Work, But Be Strategic

Don't open-source everything on day one. Start with a compelling proprietary product, then selectively open-source components. Vercel does this brilliantly—Next.js is open-source, but their deployment platform and edge network are proprietary.

python

Example: Open-source the SDK, keep the service proprietary

analytics_sdk/client.py (MIT License)

class AnalyticsClient:
def init(self, api_key: str, host: str = "https://api.yourservice.com"):
self.api_key = api_key
self.host = host

def track(self, event: str, properties: dict = None):
    """Track events - users can inspect and trust this code"""
    payload = {
        "event": event,
        "properties": properties or {},
        "timestamp": datetime.utcnow().isoformat()
    }
    # Network call to YOUR proprietary service
    return self._send_event(payload)

The SDK is inspectable and trustworthy. Your backend processing, ML models, and infrastructure remain proprietary.

2. Compete on Managed Complexity

Self-hosting seems easy until you need:

High availability across regions
Automatic backups and point-in-time recovery
Security patches and updates
Compliance certifications (SOC 2, GDPR, HIPAA)
Performance optimization at scale

This is your moat. GitLab offers self-hosting, but their managed tier still generates substantial revenue because operating GitLab at scale is genuinely hard.

3. Build for Developers, Sell to Enterprises

The winning formula:

Free tier or open-source version attracts developers
Developers integrate your product
Developers eventually work at companies that need enterprise features
Those companies pay for managed hosting, support, and compliance

Stripe exemplifies this perfectly—incredible developer experience that leads to enterprise adoption.

The Verdict: Evolution, Not Extinction

Are open-source alternatives threatening SaaS? Yes, but they're forcing evolution rather than causing extinction.

Traditional closed-source SaaS with arbitrary pricing, vendor lock-in, and black-box functionality is dying. Good riddance.

What's emerging is more interesting: a hybrid model where code transparency, fair pricing, and genuine value creation matter. Companies that adapt will thrive. Those that rely solely on lock-in and information asymmetry will struggle.

The developers building open-source alternatives aren't trying to destroy SaaS—they're building better SaaS companies with open-source as a strategic advantage. If you're building in this space, the question isn't whether to fear open-source. It's how to leverage it.

The future of SaaS is open. And that's a good thing.

🛠 Recommended Tools

Supabase — Open-source Firebase alternative with PostgreSQL and built-in auth
PostHog — Open-source product analytics — self-host or cloud, free tier

Disclosure: some links above may earn a referral commission if you sign up.

📚 Recommended Reading

Want to go deeper on SaaS? These are worth it:

The Open Source Way by Karsten Wade
Open Sources: Voices from the Open Source Revolution by Chris DiBona

These are affiliate links — if you buy through them I earn a small commission at no extra cost to you.

How Do You Manage State in Your React Application? A Practical Guide for 2024

BMarsaw — Sun, 19 Jul 2026 22:48:11 +0000

How Do You Manage State in Your React Application? A Practical Guide for 2024

State management in React has evolved dramatically. What started as a simple "lift state up" pattern has exploded into a bewildering ecosystem of libraries, patterns, and strongly-held opinions. After building dozens of production React applications, I've learned one crucial lesson: most applications are over-engineered when it comes to state management.

Let's cut through the noise and explore practical, battle-tested approaches to managing state in modern React applications.

Start Simple: Built-in React State

Before reaching for any library, exhaust React's built-in capabilities. The 80/20 rule applies here—80% of your state management needs can be solved with useState, useReducer, and context.

Local Component State with useState

For UI state that only affects a single component, useState is perfect:

typescript
interface FormData {
email: string;
password: string;
}

function LoginForm() {
const [formData, setFormData] = useState({
email: '',
password: ''
});
const [isSubmitting, setIsSubmitting] = useState(false);

const handleSubmit = async (e: React.FormEvent) => {
e.preventDefault();
setIsSubmitting(true);
try {
await login(formData);
} finally {
setIsSubmitting(false);
}
};

return (

{/* form fields */}

);
}

Lifting State Up (Still Valid!)

When multiple components need to share state, lift it to their nearest common ancestor. This pattern gets unfairly maligned, but it's perfectly fine for small component trees:

typescript
function ParentComponent() {
const [selectedItem, setSelectedItem] = useState(null);

return (
<>

</>
);
}

Don't overthink this. If prop drilling bothers you after 2-3 levels, then consider alternatives.

Context API: The Underrated Middle Ground

React Context is excellent for cross-cutting concerns like themes, authentication, and feature flags. The key is to keep contexts focused and avoid putting everything in a global context.

typescript
interface AuthContextType {
user: User | null;
login: (credentials: Credentials) => Promise;
logout: () => void;
isAuthenticated: boolean;
}

const AuthContext = createContext(null);

export function AuthProvider({ children }: { children: React.ReactNode }) {
const [user, setUser] = useState(null);

const login = async (credentials: Credentials) => {
const user = await authService.login(credentials);
setUser(user);
};

const logout = () => {
authService.logout();
setUser(null);
};

const value = {
user,
login,
logout,
isAuthenticated: !!user
};

return {children};
}

export function useAuth() {
const context = useContext(AuthContext);
if (!context) {
throw new Error('useAuth must be used within AuthProvider');
}
return context;
}

Pro tip: Split contexts by domain. Don't create a massive AppContext with everything. Create AuthContext, ThemeContext, FeatureFlagsContext, etc.

When to Reach for External Libraries

You need a dedicated state management library when:

State logic becomes complex with many interdependent updates
You need time-travel debugging or state persistence
Multiple components deep in the tree need frequent access to the same state
Performance becomes an issue with Context re-renders

Zustand: My Go-To for Client State

Zustand has become my preferred choice for global client state. It's tiny (1KB), has minimal boilerplate, and just works:

typescript
import { create } from 'zustand';
import { persist } from 'zustand/middleware';

interface CartStore {
items: CartItem[];
addItem: (item: Product) => void;
removeItem: (id: string) => void;
clearCart: () => void;
total: number;
}

export const useCartStore = create()(persist(
(set, get) => ({
items: [],
addItem: (product) => set((state) => ({
items: [...state.items, { ...product, quantity: 1 }]
})),
removeItem: (id) => set((state) => ({
items: state.items.filter(item => item.id !== id)
})),
clearCart: () => set({ items: [] }),
get total() {
return get().items.reduce((sum, item) =>
sum + (item.price * item.quantity), 0
);
}
}),
{ name: 'cart-storage' }
));

// Usage is dead simple
function CartButton() {
const items = useCartStore(state => state.items);
return Cart ({items.length});
}

Zustand's selector pattern prevents unnecessary re-renders, and the devtools integration is excellent.

Redux Toolkit: For Complex Enterprise Apps

Redux gets a bad rap, but Redux Toolkit has genuinely addressed most complaints. If you're building a large application with complex state interactions, Redux Toolkit is still a solid choice:

typescript
import { createSlice, configureStore } from '@reduxjs/toolkit';

export const store = configureStore({
reducer: {
todos: todosSlice.reducer
}
});

The ecosystem, middleware support, and debugging tools are unmatched.

Server State Is Different: Use TanStack Query

Here's a controversial opinion: most of your "state management" problems are actually server state problems. Server state (data fetched from APIs) has fundamentally different characteristics than client state:

You don't own it (the server does)
It can become stale
It needs caching, background updates, and error handling

Stop putting API data in Redux or Zustand. Use TanStack Query (formerly React Query):

typescript
import { useQuery, useMutation, useQueryClient } from '@tanstack/react-query';

function UserProfile({ userId }: { userId: string }) {
const queryClient = useQueryClient();

const { data: user, isLoading } = useQuery({
queryKey: ['user', userId],
queryFn: () => fetchUser(userId),
staleTime: 5 * 60 * 1000 // 5 minutes
});

const updateMutation = useMutation({
mutationFn: updateUser,
onSuccess: () => {
queryClient.invalidateQueries({ queryKey: ['user', userId] });
}
});

if (isLoading) return ;

return (

{user.name}

updateMutation.mutate(user)}>
Update

);
}

TanStack Query handles caching, deduplication, background refetching, and optimistic updates. It's transformed how I build React applications.

My Recommended Stack

For most modern React applications in 2024, I recommend this combination:

Local UI state: useState and useReducer
Cross-cutting concerns: React Context API
Global client state: Zustand (or Jotai for atomic state)
Server state: TanStack Query
Form state: React Hook Form

This covers 95% of use cases without the complexity of Redux or MobX.

Conclusion

State management doesn't have to be complicated. Start with React's built-in tools, add Zustand when you need global client state, and use TanStack Query for server state. Only reach for Redux if you have specific requirements that justify its complexity.

The best state management solution is the simplest one that meets your needs. Resist the urge to over-engineer. Your future self (and your team) will thank you.

What's your preferred approach to state management in React? The answer should depend on your specific application's needs, not what's trending on Twitter.

🛠 Recommended Tools

Upstash — Serverless Redis and Kafka — pay per request
Sentry — Error tracking and performance monitoring — free for small projects
GitHub Copilot — AI pair programmer integrated into VS Code and JetBrains IDEs

Disclosure: some links above may earn a referral commission if you sign up.

📚 Recommended Reading

Want to go deeper on application?? These are worth it:

Learning React: Modern Patterns for Developing React Apps by Alex Banks and Eve Porcello
Redux in Action by Marc Garreau and Will Faurot

These are affiliate links — if you buy through them I earn a small commission at no extra cost to you.

Building SaaS for Authenticated Image and Video Hosting: A Complete Guide

BMarsaw — Fri, 17 Jul 2026 05:44:26 +0000

Building SaaS for Authenticated Image and Video Hosting: A Complete Guide

Authenticated media hosting is a critical but often overlooked infrastructure need for modern applications. Whether you're building a healthcare portal with sensitive patient documents, a membership site with premium video content, or an enterprise dashboard with proprietary images, you need more than a CDN—you need controlled, secure, authenticated access to your media files.

This guide walks through the architectural decisions, security considerations, and practical implementation details for building a SaaS platform that solves this problem at scale.

Why Standard CDNs and Object Storage Aren't Enough

Services like Cloudflare R2, AWS S3, or Vercel Blob Storage are excellent for public assets. But when your media requires authentication, things get complicated quickly:

Signed URLs expire: Pre-signed URLs work for temporary access, but managing expiration times across sessions is cumbersome
No fine-grained permissions: You can't easily implement role-based access control (RBAC) or per-user quotas
Cookie sharing issues: Cross-domain cookies are increasingly restricted by browsers
Complex proxy logic: Rolling your own authentication proxy means maintaining infrastructure, handling caching, and optimizing delivery

A dedicated SaaS for authenticated media hosting abstracts these complexities while providing developer-friendly APIs and seamless integration.

Core Architecture Components

1. Authentication Layer

The foundation is a robust authentication system that works across domains. The best approach uses JWT tokens passed either as:

Authorization headers (best for API clients)
Secure, SameSite cookies (best for browser requests)
Query parameters (fallback for limited environments)

Here's a TypeScript implementation for generating access tokens:

typescript
import jwt from 'jsonwebtoken';

interface MediaAccessToken {
userId: string;
resourceId: string;
permissions: string[];
exp: number;
}

export function generateMediaToken(
userId: string,
resourceId: string,
permissions: string[] = ['read'],
expiresIn: string = '1h'
): string {
const payload: MediaAccessToken = {
userId,
resourceId,
permissions,
exp: Math.floor(Date.now() / 1000) + parseExpiry(expiresIn),
};

return jwt.sign(payload, process.env.JWT_SECRET!, {
algorithm: 'HS256',
});
}

// Usage in your API
app.get('/api/media/:id/token', async (req, res) => {
const { id } = req.params;
const userId = req.user.id; // from your auth middleware

// Check if user has access to this resource
const hasAccess = await checkUserAccess(userId, id);

if (!hasAccess) {
return res.status(403).json({ error: 'Access denied' });
}

const token = generateMediaToken(userId, id, ['read']);

res.json({
token,
url: https://media.yourservice.com/${id}?token=${token}
});
});

2. Storage Backend with Metadata

Your storage layer should separate the actual media (stored in object storage like S3) from the metadata (stored in a fast database like PostgreSQL).

Key metadata to track:

Owner/tenant ID: For multi-tenant isolation
Access rules: JSON field for complex permission logic
Upload date and size: For analytics and quota enforcement
MIME type and dimensions: For serving optimized versions
Encryption status: Whether the file is encrypted at rest

python

Python example using SQLAlchemy

from sqlalchemy import Column, String, Integer, DateTime, JSON
from sqlalchemy.ext.declarative import declarative_base

Base = declarative_base()

class MediaAsset(Base):
tablename = 'media_assets'

id = Column(String, primary_key=True)
tenant_id = Column(String, nullable=False, index=True)
owner_id = Column(String, nullable=False, index=True)
storage_key = Column(String, nullable=False)  # S3 key
mime_type = Column(String, nullable=False)
file_size = Column(Integer, nullable=False)
access_rules = Column(JSON, default={})
created_at = Column(DateTime, nullable=False)

# For video-specific metadata
duration = Column(Integer, nullable=True)
width = Column(Integer, nullable=True)
height = Column(Integer, nullable=True)

3. Caching and Edge Delivery

Even with authentication, you want fast delivery. Implement a multi-tier caching strategy:

Application-level cache (Redis): Cache token validation results (5-15 minutes)
Edge cache (Cloudflare/Fastly): Cache actual media with custom cache keys that include auth tokens
Browser cache: Set appropriate Cache-Control headers for authenticated requests

The trick is using Vary: Authorization or Vary: Cookie headers to ensure cached responses respect authentication state.

Implementing Fine-Grained Access Control

The real power comes from flexible access control. Your SaaS should support:

Role-Based Access (RBAC)

typescript
interface AccessRule {
type: 'public' | 'authenticated' | 'role' | 'specific_users';
roles?: string[];
userIds?: string[];
expiresAt?: Date;
}

function checkAccess(
user: User | null,
asset: MediaAsset,
rule: AccessRule
): boolean {
switch (rule.type) {
case 'public':
return true;

case 'authenticated':
  return user !== null;

case 'role':
  return user?.roles.some(r => rule.roles?.includes(r)) ?? false;

case 'specific_users':
  return rule.userIds?.includes(user?.id ?? '') ?? false;

default:
  return false;

}
}

Time-Limited Access

For scenarios like paid courses or temporary file sharing, implement expiring access:

python
from datetime import datetime, timedelta

def grant_temporary_access(asset_id: str, user_id: str, duration_hours: int = 24):
"""Grant time-limited access to a media asset"""
access_grant = AccessGrant(
asset_id=asset_id,
user_id=user_id,
granted_at=datetime.utcnow(),
expires_at=datetime.utcnow() + timedelta(hours=duration_hours),
access_count=0,
max_accesses=None # unlimited during the time window
)
db.session.add(access_grant)
db.session.commit()

Handling Video-Specific Requirements

Video hosting introduces additional complexity:

Adaptive Bitrate Streaming: Generate HLS or DASH manifests with authentication tokens embedded in segment URLs. Each segment URL should have its own short-lived token.

Thumbnail Generation: Automatically extract thumbnails at upload time. Store multiple sizes (small, medium, large) for different use cases.

Transcoding Pipeline: Integrate with services like AWS MediaConvert or build your own with FFmpeg. Queue jobs asynchronously and notify clients when processing completes.

Bandwidth Quotas: Track bandwidth per tenant/user to prevent abuse and enable usage-based pricing.

Pricing and Monetization Strategy

Successful SaaS platforms in this space typically offer:

Storage tier: $0.10-0.25/GB/month
Bandwidth tier: $0.08-0.15/GB transferred
Request tier: $0.50-1.00 per 10,000 authenticated requests
Processing tier: Video transcoding at $0.01-0.03 per minute

Consider offering a generous free tier (5-10GB storage, 50GB bandwidth) to reduce friction for developers evaluating your service.

Developer Experience Matters

Your SaaS lives or dies by its developer experience. Provide:

SDK libraries for Python, TypeScript, Ruby, Go
React components for drop-in image/video players with authentication built-in
Webhook integrations for upload completion, processing failures, quota alerts
Comprehensive docs with runnable examples
Terraform/CloudFormation templates for enterprise customers

Conclusion

Building a SaaS for authenticated image and video hosting solves a real infrastructure gap. The market is underserved, and developers are actively seeking alternatives to rolling their own solutions or duct-taping together generic storage with homegrown auth.

The key differentiators are: bulletproof security, zero-config cross-domain authentication, fine-grained access control, and excellent developer ergonomics. Start with a focused MVP—authenticated image delivery with JWT tokens—then expand into video, analytics, and advanced access patterns based on customer feedback.

The technical challenges are real, but the moat you build from operational excellence and developer trust is substantial. Focus on reliability, clear pricing, and making the first integration take under 10 minutes.