Init containers are the easy half. The hard half is why plain sidecars race your app at both ends of the pod's life, and what restartPolicy Always changes about that.
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Envoy gets SIGTERM at the same instant as the app and requests drop mid-rollout. How does container ordering in a pod really work?
Init containers are the easy half. The hard half is why plain sidecars race your app at both ends of the pod's life, and what restartPolicy Always changes about that.
Updated Sep 2026 · Grounded in researched DevOps, SRE and platform engineering interview loops, written to a senior-engineer editorial bar, and never padded to hit a word count.
UP NEXT ON YOUR JOURNEY
Next in this trackYou updated a ConfigMap ten minutes ago and production still serves the old value. Explain how Kubernetes propagates configuration.Next in this trackSecurity wants rootless containers everywhere. What actually breaks, and where does the trade pay off?Next in this trackOne container panics the host kernel and takes down forty neighbours. Where is the real isolation boundary, and what do you tighten first?
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