rust-service-lifecycle

Graceful shutdown for a Rust service in Kubernetes requires a canonical helper to handle SIGTERM and SIGINT, wiring with_graceful_shutdown so in-flight requests finish before the binary terminates safely during rollouts.

Implementing readiness and liveness probes for a Rust service involves distinguishing readiness from liveness so Kubernetes pods drain safely instead of restarting unnecessarily during dependency initialization or temporary unavailability.

Sequencing startup for Rust binaries requires ordered boot sequencing: load config, initialize tracing, open dependencies, run migrations, and bind the server only after everything is ready.

Managing background tasks during a Kubernetes rollout in Rust requires owning spawned tasks, controlling cancellation, and managing retry timing so long-running work stops predictably during manual interruption or deployment.

Rust pods restart unnecessarily during Kubernetes rollouts when readiness and liveness probes are not distinguished properly, causing the system to restart the pod instead of safely draining in-flight requests.

You do not need Kubernetes exclusively, as the pattern implements graceful startup and shutdown for Rust service binaries handling SIGTERM and SIGINT, but it specifically targets Kubernetes-hosted web services needing coordinated draining during rollouts.