Graceful Shutdown for Pods

Pods can shut down gracefully. The pattern.

preStop hook

Runs before SIGTERM. Drain connections, save state.

Up to terminationGracePeriodSeconds.

Signal handling

App handles SIGTERM. Closes listeners; finishes in-flight.

30s default; tune by app.

Test

Kill pods; verify no in-flight requests dropped.

Real test under load.