Apply YAML file

bash

kubectl apply -f app.yaml

Explanation

`kubectl apply` accepts YAML or JSON and creates the resource if it does not exist yet. `kubectl diff -f ...` is useful before applying changes.

Learn the surrounding workflow

Compare similar commands or jump into common fixes when this command is part of a bigger troubleshooting path.

Same sheet · prioritizing Manifest Basics

Apply all manifests in a directory.

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See what apply would change.

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Smallest practical Pod YAML shape.

Open In sheetyamlsame section

Separate resources with `---`.

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Use labels to query related objects.

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Discover valid YAML fields from kubectl.

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