instruction: Create a Dockerfile for configuration
output: ```dockerfile
  from the Secret.
  There may be several containers in a Pod. By default, containers you define
  only have access to the default ServiceAccount and its related Secret.
  You must explicitly define environment variables or map a volume into a
  container in order to provide access to any other Secret.
  There may be Secrets for several Pods on the same node. However, only the
  Secrets that a Pod requests are potentially visible within its containers.
  Therefore, one Pod does not have access to the Secrets of another Pod.
  Configure least-privilege access to Secrets
  To enhance the security measures around Secrets, Kubernetes provides a mechanism: you can
  annotate a ServiceAccount as kubernetes.io/enforce-mountable-secrets: "true".
  For more information, you can refer to the documentation about this annotation.
  Warning:Any containers that run with privileged: true on a node can access all
  Secrets used on that node.
  What's next
  
  For guidelines to manage and improve the security of your Secrets, refer to
  Good practices for Kubernetes Secrets.
  Learn how to manage Secrets using kubectl
  Learn how to manage Secrets using config file
  Learn how to manage Secrets using kustomize
  Read the API reference for Secret
  
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  Uses for Secrets
  
  Use case: dotfiles in a secret volume
  Use case: Secret visible to one container in a Pod
  Alternatives to Secrets
  
  Types of Secret
  
  Opaque Secrets
  ServiceAccount token Secrets
  Docker config Secrets
  Basic authentication Secret
  SSH authentication Secrets
  TLS Secrets
  Bootstrap token Secrets
  
  Working with Secrets
  
  Creating a Secret
  Editing a Secret
  Using a Secret
  <a href="#using-secrets-as-files-
  ```