instruction: Create a Dockerfile for configuration
output: ```dockerfile
  from files configure-pod-container/configmap/game.properties# Create a kustomization.yaml file with ConfigMapGenerator
  cat <<EOF >./kustomization.yaml
  configMapGenerator:
  - name: game-config-4
   options:
   labels:
   game-config: config-4
   files:
   - configure-pod-container/configmap/game.properties
  EOF
  Apply the kustomization directory to create the ConfigMap object:kubectl apply -k .
  configmap/game-config-4-m9dm2f92bt created
  You can check that the ConfigMap was created like this:kubectl get configmap
  NAME DATA AGE
  game-config-4-m9dm2f92bt 1 37s
  and also:kubectl describe configmaps/game-config-4-m9dm2f92bt
  Name: game-config-4-m9dm2f92bt
  Namespace: default
  Labels: game-config=config-4
  Annotations: kubectl.kubernetes.io/last-applied-configuration:
   {"apiVersion":"v1","data":{"game.properties":"enemies=aliens\nlives=3\nenemies.cheat=true\nenemies.cheat.level=noGoodRotten\nsecret.code.p...
  
  Data
  ====
  game.properties:
  ----
  enemies=aliens
  lives=3
  enemies.cheat=true
  enemies.cheat.level=noGoodRotten
  secret.code.passphrase=UUDDLRLRBABAS
  secret.code.allowed=true
  secret.code.lives=30
  Events: <none>
  Notice that the generated ConfigMap name has a suffix appended by hashing the contents. This
  ensures that a new ConfigMap is generated each time the content is modified.<h4 id=define-the-key-to-use-when-generating-a-configmap-
  ```