title: Build simple Vertx web server in multi Server
body: <p>I'm a newbie in Vert.x and have many issue with it. There is a litle document and tutorial about it
  I want to build an web service running in multi server by Vert.x. And if I do that, do I need to config anything, such as DNS...? Anyone has document about Vert.x, please share</p>