instruction: Create a Dockerfile for cluster
output: ```dockerfile
  from the Kubernetes community.QuestionsThe documentation on this site has been structured to provide answers to a wide
  range of questions. Concepts explain the Kubernetes
  architecture and how each component works, while Setup provides
  practical instructions for getting started. Tasks show how to
  accomplish commonly used tasks, and Tutorials are more
  comprehensive walkthroughs of real-world, industry-specific, or end-to-end
  development scenarios. The Reference section provides
  detailed documentation on the Kubernetes API
  and command-line interfaces (CLIs), such as kubectl.Help! My question isn't covered! I need help now!Stack Exchange, Stack Overflow, or Server FaultIf you have questions related to software development for your containerized app,
  you can ask those on Stack Overflow.If you have Kubernetes questions related to cluster management or configuration,
  you can ask those on
  Server Fault.There are also several more specific Stack Exchange network sites which might
  be the right place to ask Kubernetes questions in areas such as
  DevOps,
  Software Engineering,
  or InfoSec.Someone else
  ```