intermediateCompany & Architect-Level
What is graceful shutdown in Spring Boot? How do you configure it?
Set server.shutdown=graceful and spring.lifecycle.timeout-per-shutdown-phase=30s — on SIGTERM, Spring Boot stops accepting new requests but waits for in-flight ones to finish (up to the timeout) before shutting down. Align this timeout with Kubernetes' terminationGracePeriodSeconds so the two don't fight each other.
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