🧠 Node.js Auth + Todo Backend

A fully functional authentication + todo management API built with pure Node.js, no external frameworks (like Express).
Lightweight, fast, and easy to understand — perfect for learning or lightweight deployments.

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✨ Features

• 👤 User registration & login
  • Passwords are securely hashed using SHA-256
  • Token-based authentication with simple token storage
• ✅ CRUD for Todos
  • Each user can manage their own todos
  • Supports add, update, delete, and get operations
• 🔒 Authentication Middleware
  • Protects all /todos routes with token verification
• 🧾 Data stored in JSON files
  • Simple and filesystem-based (no database setup required)
• 🌐 CORS enabled
  • Ready for frontend integration (React, Vue, etc.)
• 🧩 Single server handles both Auth & Todo APIs

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🛠️ Tech Stack

• Node.js (built-in http module)
• Crypto for password hashing
• Filesystem (fs/promises) for persistence
• No dependencies required

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🚀 Getting Started

1. Clone the Repository

git clone https://github.com/abhijitht2002/react-mini-project.git

2. Run the Server

cd backend
node server.js

2. Run the App

cd frontend
npm run dev