instruction: Create a Dockerfile for cluster
output: ```dockerfile
  from the wider
  ecosystem around Kubernetes. Kubernetes provides extension mechanisms
  to let those ecosystem projects implement their own policy controls
  on source code review, container image approval, API access controls,
  networking, and more.For more information about policy mechanisms and Kubernetes,
  read Policies.What's nextLearn about related Kubernetes security topics:Securing your clusterKnown vulnerabilities
  in Kubernetes (and links to further information)Data encryption in transit for the control planeData encryption at restControlling Access to the Kubernetes APINetwork policies for PodsSecrets in KubernetesPod security standardsRuntimeClassesLearn the context:Cloud Native Security and KubernetesGet certified:Certified Kubernetes Security Specialist
  certification and official training course.Read more in this section:Pod Security StandardsPod Security AdmissionService AccountsPod Security PoliciesSecurity For Windows NodesControlling Access to the Kubernetes APIRole Based Access Control Good PracticesGood practices for Kubernetes SecretsMulti-tenancyHardening Guide - Authentication MechanismsKubernetes API Server Bypass RisksLinux kernel security constraints for Pods and containersSecurity ChecklistApplication Security ChecklistItems on this page refer to third party products or projects that provide functionality required by Kubernetes. The Kubernetes project authors aren't responsible for those third-party products or projects. See the CNCF website guidelines for more details.You should read the content guide before proposing a change that adds an extra third-party link.FeedbackWas this page helpful?Yes
  NoThanks for the feedback. If you have a specific, answerable question about how to use Kubernetes, ask it on
  Stack Overflow.
  Open an issue in the GitHub Repository if you want to
  report a problem
  or
  suggest an improvement.Last modified February 03, 2025 at 5:28 PM PST: Add a new page for mutating webhook good practices. (bf971d28d3)  Create child page
   Create an issue
   Print entire sectionKubernetes security mechanismsControl plane protectionSecretsWorkload protectionAdmission controlAuditingCloud provider securityPoliciesWhat's next© 2025 The Kubernetes Authors | Documentation Distributed under CC BY 4.0© 2025 The Linux Foundation ®. ```