Kubectl apply
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Internal
Overview
Apply a configuration to a resource by filename or stdin:
kubectl apply -f <manifest.yaml>
cat <manifest.yaml> | kubectl apply -f -
The command can be used to both create a new resource or update the state of an existing resource. When updating the state, the command supports strategic merge patch.
Also see:
Namespace Handling
The resources specified by the manifest can be deployed in an arbitrary namespace with the -n <namespace> option, unless the manifest already specifies a different namespace in the metadata section. In that case, an error will ensue:
error: the namespace from the provided object "default" does not match the namespace "prometheus". You must pass '--namespace=default' to perform this operation.
Options
-f|--filename
The filename that contains the configuration to apply.
-k|--kustomize
Process a kustomization directory.