fastapi-async-and-task-integration

Use when adding background tasks or event integration to a scaffolded FastAPI service after the broker and contracts are declared in backend-architecture. Adds Celery/RQ/arq or Kafka wiring, a transactional outbox, idempotent consumers, retry/DLQ, and Testcontainers tests. Not for the shell, auth, observability, or performance.

Independent GitHub snapshot · Automated classification · Original documentation governs