title: Point subdomain to heroku app
body: <p>I have a hostgators shared hosting with domain. In the other side I have node js app on heroku. </p>
  
  <p>Now, is it possible to point subdomain "my_node_app.mysite.com" from my shared hosting to "my_node_app.herokuapp.com"? </p>
  
  <p>Ending result should be when user goes to my_node_app.mysite.com, the node.js app hosted on heroku should be loaded.</p>