FastAPI Todo API

A robust Todo API built with FastAPI and SQLite for efficient task management.

Features

Create, read, update, and delete todos
SQLite database with SQLAlchemy ORM
Alembic for database migrations
Health check endpoint
Input validation with Pydantic
Automatic API documentation
Fast and efficient database operations

Project Structure

.
├── alembic/            # Database migration files
│   └── versions/       # Migration version scripts
├── app/                # Application code
│   ├── api/            # API endpoints
│   │   └── endpoints/  # Route handlers
│   ├── core/           # Core functionality and config
│   ├── crud/           # CRUD operations
│   ├── db/             # Database setup
│   ├── models/         # SQLAlchemy models
│   ├── schemas/        # Pydantic schemas
│   └── storage/        # Database storage
├── alembic.ini         # Alembic configuration
├── main.py             # Application entry point
└── requirements.txt    # Project dependencies

Getting Started

Clone the repository
Install the dependencies:
```
pip install -r requirements.txt
```
Run the migrations:
```
alembic upgrade head
```
Start the server:
```
uvicorn main:app --reload
```

API Documentation

Once the server is running, you can access the interactive API documentation at:

Swagger UI: http://localhost:8000/docs
ReDoc: http://localhost:8000/redoc

API Endpoints

Todo Operations

GET /api/v1/todos/: Get all todos
POST /api/v1/todos/: Create a new todo
GET /api/v1/todos/{todo_id}: Get a specific todo by ID
PUT /api/v1/todos/{todo_id}: Update a specific todo
DELETE /api/v1/todos/{todo_id}: Delete a specific todo

System Endpoints

GET /health: Health check endpoint to verify API status

Todo Schema

{
  "id": 1,
  "title": "Complete project",
  "description": "Finish the FastAPI project by Friday",
  "completed": false
}

Development

The API uses SQLAlchemy for ORM operations and Alembic for database migrations. The database file is stored in app/storage/db/db.sqlite.

Technologies

FastAPI: Modern, fast web framework for building APIs
SQLAlchemy: SQL toolkit and ORM
Pydantic: Data validation and settings management
Alembic: Database migration tool
SQLite: Lightweight disk-based database

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