Everyone loves Vercel and AWS Lambda until they get their first DDOS attack and wake up to a $4,000 bill.
Serverless functions scale infinitely... which means your bill scales infinitely too.
How to Protect Your SaaS
If you are building a Micro-SaaS, you absolutely MUST have rate limiting at the edge. You cannot wait for the request to hit your database to check if the user has credits. By then, you've already paid for the compute.
You need to use Upstash Redis or Cloudflare Workers to block malicious IPs before they hit your core logic.
But wiring that up is a nightmare...
Yes, it is. That's why I stopped doing it from scratch.
I built a single, unified Next.js Boilerplate that has Edge Rate Limiting, Stripe Webhooks, NextAuth, and Gemini AI fully configured.
⚡ Stop paying the stupid tax.
I open-sourced my exact production setup for $1. I also compiled my top 100 System Architecture Prompts for $5.
👉 Grab them here and protect your SaaS
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