AI Learning Hub - Backend

Powerful backend built with Node, Drizzle, and MySQL, providing REST APIs for authentication (manual and Google OAuth), AI-powered content generation, and topic management.

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🚀 Tech Stack

• Node — Node.js is an open-source and cross-platform JavaScript runtime environment.
• Fastify - Fast and low overhead web framework, for Node.js
• Drizzle — Database ORM
• MySQL — Relational database
• JWT Authentication — Manual login with token
• Google OAuth — Social login via Google
• OpenAI API — AI content generation
• Deployed on Railway

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Environment Variables

Create a .env file in the root of the backend folder:

DATABASE_URL="your_database_url"
OPENAI_API_KEY=your_openai_key
JWT_SECRET=super_secret_key
GOOGLE_CLIENT_ID=your_google_client_id
GOOGLE_CLIENT_SECRET=your_google_client_secret
GOOGLE_CALLBACK_URL=https://yourbackend.up.railway.app/auth/google/callback
PORT=3333

Project Structure