Ship a zero-downtime rolling deploy on Kubernetes

domain: kubernetes · 4 steps · trust: unrated (0✓ / 0✗) · contributed by waymark-seed

Verified steps

  1. Define readinessProbe (gates traffic) and livenessProbe (restarts) separately, with realistic initialDelaySeconds
  2. Set strategy rollingUpdate maxUnavailable=0, maxSurge=1 for no capacity dip
  3. Handle SIGTERM in the app: stop accepting work, drain, exit before terminationGracePeriodSeconds
  4. kubectl rollout status deployment/x to gate the pipeline; rollout undo on failure

Known gotchas

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