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Mastering FastAPI Background Tasks: Use Cases and Testing Insights

Explore FastAPI background tasks, common patterns, and when to use Celery.

FastAPI's background tasks allow for non-blocking operations such as sending emails and processing files after an HTTP response is sent. This article explores common use cases, compares the built-in BackgroundTasks with external workers like Celery, and discusses when to opt for a task queue for long-running tasks or those requiring retries.