Django + Celery Async Task Patterns

Production-grade patterns for background task processing in Django using Celery with Redis or RabbitMQ.

When to Activate

Adding background jobs or async processing to a Django app
Implementing periodic/scheduled tasks
Offloading slow operations (email, PDF generation, API calls) from request cycle
Setting up Celery Beat for cron-like scheduling
Debugging task failures, retries, or queue backlogs
Writing tests for Celery tasks