helm/docs/examples/nginx/templates/post-install-job.yaml

apiVersion: batch/v1
kind: Job
metadata:
  name: {{ template "nginx.fullname" . }}
  labels:
    # The "app.kubernetes.io/managed-by" label is used to track which tool deployed a given chart.
    # It is useful for admins who want to see what releases a particular tool
    # is responsible for.
    app.kubernetes.io/managed-by: {{ .Release.Service }}
    # The "app.kubernetes.io/instance" convention makes it easy to tie a release to all of the
    # Kubernetes resources that were created as part of that release.
    app.kubernetes.io/instance: {{ .Release.Name }}
    # This makes it easy to audit chart usage.
    helm.sh/chart: {{ .Chart.Name }}-{{ .Chart.Version }}
    app.kubernetes.io/name: {{ template "nginx.name" . }}
  annotations:
    # This is what defines this resource as a hook. Without this line, the
    # job is considered part of the release.
    "helm.sh/hook": post-install
spec:
  template:
    metadata:
      name: {{ template "nginx.fullname" . }}
      labels:
        app.kubernetes.io/instance: {{ .Release.Name }}
        app.kubernetes.io/name: {{ template "nginx.name" . }}
    spec:
      # This shows how to use a simple value. This will look for a passed-in value
      # called restartPolicy. If it is not found, it will use the default value.
      # {{ default "Never" .restartPolicy }} is a slightly optimized version of the
      # more conventional syntax: {{ .restartPolicy | default "Never" }}
      restartPolicy: {{ .Values.restartPolicy }}
      containers:
        - name: post-install-job
          image: "alpine:latest"
          # All we're going to do is sleep for a while, then exit.
          command: ["/bin/sleep", "{{ .Values.sleepyTime }}"]