hard20 pts · first answer countskubernetesdeployments

Changing a Deployment selector

You change `spec.selector.matchLabels` from app: web to app: web-frontend in a Deployment and apply it. The API server rejects it with "field is immutable". What is the safe way forward?

A.Patch the selector with kubectl edit, which skips the checkB.Delete the ReplicaSets so the selector can be changedC.Add --force-conflicts to kubectl applyD.Create a new Deployment with the new selector, then remove the old one

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Changing a Deployment selector

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