title: Node.js - How can I remove the port from the url?
body: <p>I use the node.js and socket.io.</p>
  
  <p>My application runs on the port 3000. The application starts from from the url: <strong>mydomain.com:3000/</strong></p>
  
  <p>I want to run the application from <strong>mydomain.com</strong> - I want to remove the port from the url.</p>
  
  <p>Where and how can I set this setting?</p>