Learn FASTAPI-REST with Real Code Examples

Create CRUD endpoints for users

Serve ML model predictions

Add JWT authentication middleware

Integrate with async databases like SQLAlchemy or Tortoise-ORM

Expose WebSocket endpoints for real-time updates

Check server logs for exception tracebacks

Ensure async functions are awaited

Validate Pydantic model field types

Verify dependencies are injected correctly

Use test clients to validate API behavior

Use pytest for unit and integration tests

Use FastAPI TestClient for request simulation

Mock dependencies for isolated tests

Validate response models in tests

Use coverage tools to ensure test completeness

Deploy as ASGI app with Uvicorn/Gunicorn

Containerize with Docker

Deploy on cloud platforms (AWS, GCP, Azure, Heroku)

Use CI/CD pipelines for automatic builds

Monitor API performance and logs in production

Uvicorn or Hypercorn - ASGI server

Pydantic - data validation and serialization

SQLAlchemy/Tortoise-ORM - database integration

FastAPI-Users - authentication

BackgroundTasks for async background processing

Database support (PostgreSQL, MySQL, SQLite)

Caching with Redis

Celery or RabbitMQ for async task queues

GraphQL via Strawberry or Ariadne

Monitoring via Prometheus, Sentry, or NewRelic

Use Pydantic models for clean request validation

Keep path operations async and non-blocking

Modularize routes and services

Leverage Python ecosystem libraries

Monitor performance in production

Understanding async/await in Python

Designing dependency injection effectively

Validating complex nested data models

Scaling high-concurrency APIs

Integrating with external async services