FastAPI Backend Development

Learn FastAPI's dependency injection system: how it works, why it's useful, and how to use it in your APIs. This lesson covers the core concepts, step-by-step examples, and best practices.

Learn to create shared dependencies for data validation in FastAPI. Centralize validation logic, reuse it across endpoints, and handle edge cases. Practical walkthrough included.

Building Async Endpoints with async/await — FastAPI Backend Development tutorial, lesson 16.

Learn running synchronous code in threadpools in this FastAPI Backend Development tutorial. Step-by-step, hands-on, with troubleshooting and next steps.

Learn to structure FastAPI apps with routers and modular files. This lesson shows how to break down large APIs into manageable, organized modules, making code cleaner, more maintainable, and scalable. A practical walkthrough guides you through creating routers and connecting them to your main app, with troubleshooting

Learn to set up database connections and sessions in FastAPI with hands-on steps, troubleshooting, and what to study next.

Perform CRUD operations with SQLAlchemy in FastAPI: create, read, update, delete records using sessions and models.

Connecting Pydantic Schemas to Database Models — FastAPI Backend Development tutorial, lesson 21.

Master query filtering and pagination in FastAPI. Learn to implement efficient, scalable API endpoints with hands-on examples, edge cases, and best practices.

Designing Paginated Response Schemas — FastAPI Backend Development. Learn to structure paginated API responses with Pydantic schemas, including metadata, links, and typing, with hands-on steps and troubleshooting.

Learn to handle file uploads in FastAPI using python-multipart. Step-by-step guide with practical examples, troubleshooting, and next steps.

Learn to serve static files from your FastAPI app step by step — mount static directories, set up routes, and handle common edge cases.