Learn how to manage environment variables and sensitive configuration in FastAPI using Pydantic Settings and .env files for better security and portability.

Learn how to use pytest fixtures and dependency overrides to create a test database that ensures your tests start with a clean slate every single time.

Learn how to implement automated testing in FastAPI using pytest and TestClient to ensure code reliability and prevent regressions.

Learn how to serve static files and render HTML templates with FastAPI.

Learn how to improve API performance by offloading long-running operations like email sending and image processing using FastAPI BackgroundTasks.

Learn how to identify the current user in FastAPI by decoding JWT tokens and retrieving user objects from the database using dependencies.

Learn how to implement secure password hashing and JWT authentication in FastAPI using passlib and python-jose.

Learn the fundamentals of API security in FastAPI by implementing OAuth2 with Password Flow and leveraging built-in security dependencies.