[shell on that Node, create a /mnt/data directory]
$ sudo mkdir /mnt/data

[the /mnt/data directory, create an index.html file]
$ sudo sh -c "echo 'Hello from Kubernetes storage' > /mnt/data/index.html"

[test that the index.html file exists]
$ cat /mnt/data/index.html
Hello from Kubernetes storage

[now close the shell to Node]

[open a new shell on the Node in the cluster]
$ sudo rm /mnt/data/index.html
$ sudo rmdir /mnt/data

[again now close the shell to your Node]

It perform 2 volume mounts on your nginx container :- 
"/usr/share/nginx/html" for the static website and "/etc/nginx/nginx.conf" for the default config.
