[create a directory at the host which will be used as a volume to be mounted]
$ mkdir /data

[move the hello.html file to /data directory]
$ mv hello.html /data/

$ kubectl exec -it nginx-pod1 -- ls /usr/share/nginx/html
$ kubectl exec nginx-pod1 -- curl localhost

$ kubectl exec -it nginx-pod2 -- ls /usr/share/nginx/html
$ kubectl exec nginx-pod2 -- curl localhost
