Worked on the Chainlit/chainlit repository to enhance database reliability by implementing a robust graceful shutdown mechanism for the asyncpg connection pool. Focused on backend development using Python, the solution introduced signal-based and atexit cleanup routines to ensure proper resource management during application termination. Comprehensive error handling was added to database operations, allowing the system to manage connection issues more effectively and reduce the risk of resource leaks. This work improved operational stability and minimized downtime during deployments and shutdowns. The approach demonstrated a strong understanding of asynchronous programming and database management, addressing production resilience and maintainability in a targeted manner.