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# 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
1. Clone the repository
2. Install the dependencies:
```
pip install -r requirements.txt
```
3. Run the migrations:
```
alembic upgrade head
```
4. 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
```json
{
"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