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Three Silent Failures Between You and Sidecar Injection

Running kubectl label deployment my-app pandocore.io/inject=enabled modifies the Deployment's top-level metadata.labels , not spec.template.metadata.labels .

  • Command modifies Deployment metadata, not pod template
  • Kubectl reports label change falsely, Deployment controller doesn't roll out
  • Pods lack necessary label, webhook never injects sidecar

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