Building a Multilingual AI Stock Platform with Astro & Groq

#ai #automation #showdev #webdev

Every day, investors compare stocks and crypto before making decisions. I wanted to automate this with AI—so I built Peaxer, a free platform that generates AI-powered side-by-side comparisons.

Here is a deep dive into how the system works under the hood.

🛠 The Stack

Frontend: Astro (SSG for speed & SEO)
Hosting: Cloudflare Pages
AI Engine: Groq API (Llama 3.1)
API Proxy: Cloudflare Workers
Database: Cloudflare KV (for user voting)
Automation: GitHub Actions
Data Sources: CoinGecko API & TradingView Widgets

🤖 Automated Content Pipeline

The entire pipeline runs without any manual intervention. Every day at 06:00 UTC, a GitHub Actions workflow kicks off:

Selection: A Python script picks random pairs from a pool of 130+ assets.
Generation: Groq API generates a detailed Turkish comparison.
Localization: The same API translates the content into English.
Deployment: Astro builds 700+ static pages, and Cloudflare Pages deploys them automatically.

⚔️ The "AI Stock Battle" Feature

One of the most engaging features is the AI Stock Battle.
Users can pick any two assets, and the AI analyzes them in real-time through a Cloudflare Worker proxy. It returns a winner based on growth potential, risk level, and innovation score.

🌍 Bilingual SEO Strategy

To maximize reach, every comparison exists in both Turkish and English:

Hreflang Tags: Proper implementation for search engines.
Separate Sitemaps: Organized by language.
Structured Data: Uses Article + FAQ schema to win rich snippets.

💡 Key Learnings

Static > Dynamic: Astro SSG + Cloudflare Pages delivers near-perfect Core Web Vitals with zero server costs.
Free AI APIs work: Groq’s free tier is incredibly fast and reliable for production.
Workers are Swiss Army Knives: Used for API key masking and KV storage.