title: How to do websockets in embedded undertow?
body: <p>According to this: <a href="http://undertow.io/" rel="noreferrer">http://undertow.io/</a> it supports websockets. There is no documentation on how to do so, though. I just want a simple embedded undertow handling web sockets example.</p>
  
  <p>I don't want to grab the whole jboss app server.</p>