Orchestration Core
Rolling updates & rollbacks
Lesson 3 of 5
Deployments replace Pods gradually under maxSurge and maxUnavailable limits, keeping the service available and rollback one command away.
What you'll learn
- Understand how a Deployment swaps ReplicaSets to ship a new version
- Read maxSurge and maxUnavailable as the two knobs governing update pace
- Know why rollback is cheap: the old ReplicaSet is still there
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