FastAPI Lifespan Events: The Right Way to Handle Startup & Shutdown

Description

In this video, we dive deep into FastAPI lifespan events - the proper way to manage startup and shutdown logic in your FastAPI applications. We cover everything from basic concepts to advanced production patterns, including database connections, caching and graceful shutdowns. 📌 CHAPTERS 0:00 Intro 2:33 Code 8:39 Outro 🔗 Project Repository: https://github.com/Niklas-dev/fastapi-lifespan-tutorial 🔗 My GitHub: https://github.com/Niklas-dev 🚀 BUILD FASTER WITH A PRODUCTION-READY FASTAPI TEMPLATE If you want a clean, scalable starting point for real FastAPI applications, check out FastLaunchAPI - a premium template that removes setup friction and lets you start building immediately. 👉 https://fastlaunchapi.dev 📌 WHAT YOU'LL LEARN • What lifespan events are and why they matter • How to properly initialize database connections and resources • The difference between lifespan events and deprecated @app.on_event • real-world patterns: DB pools, ML models and graceful shutdowns • Production secrets: health checks, async context managers, and testing 📌 HASHTAGS #FastAPI #Python #WebDevelopment #BackendDevelopment #APIs #Programming #LifespanEvents #BestPractices