kube-cofig-file.yaml

apiVersion: v1
kind: Config

current-context: dev-user@google

clusters:
- name: my-kube-playground
- name: development
- name: production
- name: google
  cluster:
    certificate-authority:  /etc/kubernetes/pki/ca.crt
    server: https://my-kube-playground:6443

contexts:
- name: my-kube-admin@my-kube-playground
- name: dev-user@google
- name: prod-user@production
  context:
    cluster:  my-kube-playground
    user:
    namespace: finance

users:
- name: my-kube-admin
- name: admin
- name: dev-user
- name: prod-user
  user:
    client-certificate: /etc/kubernetes/pki/users/admin.crt
    client-key: /etc/kubernetes/pki/users/admin.key