Helm Template Function Default

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{{ default <default-value> <actual-value> }}
{{ default "blue" .Values.color }}
  name: {{ .Values.myApp.clusterRole | default "my-app:cluster-role" | quote }}

In an actual chart, all static default values should live in the values.yaml, and should not be repeated using the default command - if that happens, we will have redundantly specified values. However, the default is useful for computed values, which cannot be declared inside values.yaml.