<p dir="auto">It's a small problem. Now in "/etc/hosts" of master in vagrant cluster, there are duplicate "127.0.0.1 localhost". Though it doesn't make any error, I think it's better to remove duplicate content.</p>
<p dir="auto">Looking at the examples in guestbook and guestbook-go, there are some properties that appear more than once inside the json file - this is redundant and creates overhead for the api users.<br>
Example:<br>
version and id attributes appear twice.</p>
<p dir="auto"><a href="https://github.com/GoogleCloudPlatform/kubernetes/blob/9c8ba8495d1d581808f707d728c6bdd99203e055/examples/guestbook-go/redis-master-pod.json">https://github.com/GoogleCloudPlatform/kubernetes/blob/9c8ba8495d1d581808f707d728c6bdd99203e055/examples/guestbook-go/redis-master-pod.json</a></p>