Secure Authentication System

This project implements a secure user authentication system using FastAPI for the backend.

Features

• User registration with validation
• Secure login with password protection
• JWT-based authentication
• Protected routes
• Password hashing
• SQLite database

Setup

1. Create a virtual environment:

python -m venv venv
source venv/bin/activate  # On Windows: venv\Scripts\activate

2. Install dependencies:

pip install -r requirements.txt

3. Run the application:

uvicorn main:app --reload

API Endpoints

• POST /users/ - Create a new user
• POST /token - Get JWT token
• GET /protected - Protected route (requires authentication)

Security Features

• Passwords are hashed using bcrypt
• JWT tokens for authentication
• Protected routes with token validation
• Input validation for user registration
• Secure password handling