FastAPI CRUD with JSON and routers

Prequesite

• siapkan venv
• aktifkan venv
• install fastapi
• tambahkan file db.json
• jalankan

  fastapi dev main.py
  

Features

• Create, Read, Update, Delete user
• JSON file sebagai penyimpanan data (db.json)
• Swagger UI otomatis
• Modular structure (router, service, data layer)
• Tanpa ORM, tanpa database dan tanpa pydantic

Project Structure

project/
├─ main.py # App bootstrap
├─ users_router.py # Router / controller
├─ users_service.py # Business logic
├─ json_db.py # JSON file data access
├─ db.json # Database file
├─ README.md
└─ .venv/

Database (JSON File)

[
  {
    "id": 1,
    "name": "Pythonia",
    "email": "pythonia@mail.com",
    "is_active": true
  }
]

API Endpoints

• Get users
• Post users

  {
    "name": "Python",
    "email": "pythonia@mail.com",
    "is_active": true
  }
  

• Get user by id
• Update user (replace)
• Update user (partial)
• Delete user