instruction: Create a Dockerfile for cluster
output: ```dockerfile
  from dockershim (EN)
  Generate Certificates Manually (EN)
  Manage Memory, CPU, and API Resources (EN)
  Configure Default Memory Requests and Limits for a Namespace (EN)
  Configure Default CPU Requests and Limits for a Namespace (EN)
  Configure Minimum and Maximum Memory Constraints for a Namespace (EN)
  Configure Minimum and Maximum CPU Constraints for a Namespace (EN)
  Configure Memory and CPU Quotas for a Namespace (EN)
  Configure a Pod Quota for a Namespace (EN)
  Install a Network Policy Provider (EN)
  Use Antrea for NetworkPolicy (EN)
  Use Calico for NetworkPolicy (EN)
  Use Cilium for NetworkPolicy (EN)
  Use Kube-router for NetworkPolicy (EN)
  Romana for NetworkPolicy (EN)
  Weave Net for NetworkPolicy (EN)
  Access Clusters Using the Kubernetes API (EN)
  Advertise Extended Resources for a Node (EN)
  Autoscale the DNS Service in a Cluster (EN)
  Change the Access Mode of a PersistentVolume to ReadWriteOncePod (EN)
  Change the default StorageClass (EN)
  Switching
  ```