instruction: Create a Dockerfile for cluster
output: ```dockerfile
  from the merged kubeconfig files.If there are two conflicting techniques, fail.For any information still missing, use default values and potentially
  prompt for authentication information.File referencesFile and path references in a kubeconfig file are relative to the location of the kubeconfig file.
  File references on the command line are relative to the current working directory.
  In $HOME/.kube/config, relative paths are stored relatively, and absolute paths
  are stored absolutely.ProxyYou can configure kubectl to use a proxy per cluster using proxy-url in your kubeconfig file, like this:apiVersion: v1
  kind: Config
  
  clusters:
  - cluster:
   proxy-url: http://proxy.example.org:3128
   server: https://k8s.example.org/k8s/clusters/c-xxyyzz
   name: development
  
  users:
  - name: developer
  
  contexts:
  - context:
   name: development
  What's nextConfigure Access to Multiple Clusterskubectl configFeedbackWas this page helpful?Yes
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  Open an issue in the GitHub Repository if you want to
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  or
  suggest an improvement.Last modified April 13, 2022 at 9:05 PM PST: Docs fix for kubectl proxy configuration (81fe9b4e91)  Create child page
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   Print entire sectionSupporting multiple clusters, users, and authentication mechanismsContextThe KUBECONFIG environment variableMerging kubeconfig filesFile referencesProxyWhat's next© 2025 The Kubernetes Authors | Documentation Distributed under CC BY 4.0© 2025 The Linux Foundation ®. ```