FastAPI Patterns

When to Use

Activate this skill when:

• Configuring FastAPI middleware (CORS, logging, timing, error handling)
• Creating complex dependency injection chains
• Implementing WebSocket endpoints with connection management
• Customizing OpenAPI documentation (tags, examples, deprecation)
• Setting up JWT authentication and role-based access dependencies
• Implementing background tasks (lightweight or distributed)
• Managing application lifecycle (startup/shutdown via lifespan)
• Setting up rate limiting or request throttling

Do NOT use this skill for:

• Basic endpoint CRUD, repository, or service patterns (use python-backend-expert)
• Writing tests for FastAPI endpoints (use pytest-patterns)
• API contract design or schema planning (use api-design-patterns)
• Architecture decisions (use system-architecture)