Todo API

A simple Todo application API built with FastAPI and SQLite.

Features

• RESTful API using FastAPI
• SQLite database with SQLAlchemy ORM
• Database migrations using Alembic
• CRUD operations for Todo items
• Health check endpoint
• OpenAPI documentation

Project Structure

/
├── app/
│   ├── api/
│   │   ├── v1/
│   │   │   ├── health.py
│   │   │   └── todos.py
│   │   ├── deps.py
│   │   └── routers.py
│   ├── core/
│   │   └── config.py
│   ├── crud/
│   │   ├── base.py
│   │   └── todo.py
│   ├── db/
│   │   ├── base.py
│   │   ├── base_class.py
│   │   └── session.py
│   ├── models/
│   │   └── todo.py
│   └── schemas/
│       └── todo.py
├── migrations/
│   ├── versions/
│   │   └── 01_initial_todo_table.py
│   ├── env.py
│   └── script.py.mako
├── alembic.ini
├── main.py
└── requirements.txt

Installation

1. Clone the repository
2. Install dependencies:

pip install -r requirements.txt

Database Setup

The application uses SQLite as its database. The database will be created at /app/storage/db/db.sqlite when the application starts.

To run the migrations:

alembic upgrade head

Running the Application

To run the application locally:

uvicorn main:app --reload

The API will be available at http://localhost:8000

API Documentation

API documentation is available at:

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

API Endpoints

Health Check

• GET /api/v1/health - Check API health

Todo Endpoints

• GET /api/v1/todos - List all todos
• POST /api/v1/todos - Create a new todo
• GET /api/v1/todos/{id} - Get a specific todo
• PUT /api/v1/todos/{id} - Update a todo
• DELETE /api/v1/todos/{id} - Delete a todo

Query Parameters

List todos

• skip - Number of records to skip (default: 0)
• limit - Maximum number of records to return (default: 100)
• completed - Filter by completion status (optional, boolean)