Automated Action 7a43bab909 Add simple todo app backend with FastAPI

- Create FastAPI application with CORS support
- Add SQLAlchemy models for Todo with timestamps
- Set up SQLite database with proper configuration
- Create CRUD operations for todo management
- Add REST API endpoints for all todo operations
- Configure Alembic for database migrations
- Add Pydantic schemas for request/response validation
- Include health check and root info endpoints
- Set up proper project structure following best practices
- Add comprehensive README with usage instructions

2025-06-19 12:10:12 +00:00

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Todo App Backend

A simple todo application backend built with FastAPI and SQLite.

Features

Create, read, update, and delete todos
RESTful API endpoints
SQLite database with SQLAlchemy ORM
Database migrations with Alembic
Automatic API documentation with Swagger UI
CORS support for cross-origin requests

API Endpoints

GET / - Root endpoint with API information
GET /health - Health check endpoint
POST /todos/ - Create a new todo
GET /todos/ - Get all todos (with pagination)
GET /todos/{todo_id} - Get a specific todo
PUT /todos/{todo_id} - Update a todo
DELETE /todos/{todo_id} - Delete a todo

Installation

Install dependencies:

pip install -r requirements.txt

The application will automatically create the database tables when started.

Usage

Start the application:

uvicorn main:app --reload

The API will be available at:

Main API: http://localhost:8000
Documentation: http://localhost:8000/docs
Alternative docs: http://localhost:8000/redoc

Database

The application uses SQLite database stored at /app/storage/db/db.sqlite. The database schema is managed with Alembic migrations.

Todo Schema

Each todo has the following fields:

id: Unique identifier
title: Todo title (required)
description: Optional description
completed: Boolean status (default: false)
created_at: Creation timestamp
updated_at: Last update timestamp

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