backend.im/userauthenticationservice-6vx4pv

Automated Action 48f0debd7b Implement user authentication flow with FastAPI

- Set up FastAPI application with SQLite database
- Create User model with email and password fields
- Implement JWT token-based authentication
- Add user registration and login endpoints
- Create protected user profile endpoints
- Configure Alembic for database migrations
- Add password hashing with bcrypt
- Include CORS middleware and health endpoint
- Update README with setup and usage instructions

Environment variables required:
- SECRET_KEY: JWT secret key for token signing

2025-06-27 09:18:50 +00:00

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User Authentication Service

A FastAPI-based user authentication service with JWT token authentication and SQLite database.

Features

User registration and login
JWT token-based authentication
Password hashing with bcrypt
SQLite database with SQLAlchemy ORM
Database migrations with Alembic
CORS enabled for all origins
Health check endpoint
Auto-generated API documentation

Environment Variables

Set the following environment variables before running the application:

SECRET_KEY: JWT secret key for token signing (required for production)

Installation

Install dependencies:

pip install -r requirements.txt

Run database migrations:

alembic upgrade head

Start the application:

uvicorn main:app --reload

API Endpoints

Public Endpoints

GET / - Service information
GET /health - Health check
POST /api/v1/auth/register - User registration
POST /api/v1/auth/login - User login

Protected Endpoints (require Bearer token)

GET /api/v1/users/me - Get current user info
GET /api/v1/users/profile - Get user profile

API Documentation

Once the application is running, visit:

Swagger UI: http://localhost:8000/docs
ReDoc: http://localhost:8000/redoc
OpenAPI JSON: http://localhost:8000/openapi.json

Usage Example

curl -X POST "http://localhost:8000/api/v1/auth/register" \
     -H "Content-Type: application/json" \
     -d '{"email": "user@example.com", "password": "password123"}'

curl -X POST "http://localhost:8000/api/v1/auth/login" \
     -H "Content-Type: application/x-www-form-urlencoded" \
     -d "username=user@example.com&password=password123"

Access protected endpoint:

curl -X GET "http://localhost:8000/api/v1/users/me" \
     -H "Authorization: Bearer YOUR_ACCESS_TOKEN"

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