Mac – enable and use kubernetes in docker

Mac Docker comes with kubernetes embedded which can be enabled. Here the steps to enable and use kubernetes:

1. Click on settings icons in Docker desktop, select Kubernetes menu item and select “Enable Kubernetes” and “Show system containers”. Then click apply and restart.
   
2. This will also install kubectl in /user/local/
   

   $ ls -l /usr/local/bin/kubectl
   lrwxr-xr-x  1 root  wheel  55 Dec 11 20:22 /usr/local/bin/kubectl -> /Applications/Docker.app/Contents/Resources/bin/kubectl

3. Install kubernetes dashboard
   kubectl apply -f https://raw.githubusercontent.com/kubernetes/dashboard/v2.7.0/aio/deploy/recommended.yaml
4. Create service account by creating dashboard-adminuser.yaml with following content
   

   apiVersion: rbac.authorization.k8s.io/v1
   kind: ClusterRoleBinding
   metadata:
     name: admin-user
   roleRef:
     apiGroup: rbac.authorization.k8s.io
     kind: ClusterRole
     name: cluster-admin
   subjects:
   - kind: ServiceAccount
     name: admin-user
     namespace: kubernetes-dashboard

   
   And then run
   kubectl apply -f dashboard-adminuser.yaml
5. Create token
   kubectl -n kubernetes-dashboard create token admin-user --duration=36000s
6. Start proxy
   kubectl proxy
7. View dashboard on the url http://localhost:8001/api/v1/namespaces/kubernetes-dashboard/services/https:kubernetes-dashboard:/proxy/
8. Enter the token created above and click on sign in