Background Tasks, Sebastián RamÃrez, 2024 - Official FastAPI documentation covering the usage and implementation of background tasks.
Celery: Distributed Task Queue, Ask Solem & contributors, 2023 - Official documentation for Celery, a system for reliable, distributed task processing, mentioned as an alternative for critical operations.
Fluent Python, Luciano Ramalho, 2022 (O'Reilly Media) - Contains sections on Python's asynchronous programming with asyncio, relevant for understanding FastAPI's event loop.