FastAPI Best Practices

Comprehensive production-grade best practices for FastAPI applications. Contains rules across 7 categories to guide automated refactoring and code generation.

When to Apply

Reference these guidelines when:

• Setting up a new FastAPI project structure
• Implementing async routes and handling blocking I/O
• Designing Pydantic models and validation logic
• Structuring dependencies for reusable validation and injection
• Integrating databases with SQLAlchemy and Alembic
• Writing tests and configuring CI/CD tooling

Rule Categories by Priority