Implement FastAPI dependency injection with Depends(), security dependencies, database session management, request-scoped deps, and testing with overrides. Use when the user builds FastAPI endpoints, manages database connections, implements auth, or asks about dependency injection. Trigger when you see repeated setup logic in endpoint functions that should be extracted to dependencies.
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FastAPI Dependency Injection
Use FastAPI's Depends() system to inject shared logic into endpoints: database sessions, authentication, authorization, pagination, and configuration. Dependencies are composable, testable, and handle cleanup automatically.
When to Use
User creates FastAPI endpoints with shared setup/teardown logic
User implements authentication or authorization
User manages database connections or sessions
User asks about dependency injection or testing FastAPI
Us
[Description truncada. Veja o README completo no GitHub.]
