Build web site and get free server Firebase

1.
Download  web server Nginx
http://nginx.org

this local server is for html response

2.
Register Firebase remote server
https://firebase.google.com

Firebase can create chat and webrtc server free
Peer to peer authenticate through the Firebase remote server.

3.
Go to Firebase control panel
https://console.firebase.google.com

Build you own project and click project name
click web application to get [firebase.js] file link as follows:

<script src="https://www.gstatic.com/firebasejs/3.3.0/firebase.js"></script>
<script>
  // Initialize Firebase
  var config = {
    apiKey: "AIzaSyDZqApef4F2-CkzFhseCCf_UAaaFJQ9K2E",
    authDomain: "project-5907664917268693265.firebaseapp.com",
    databaseURL: "https://project-5907664917268693265.firebaseio.com",
    storageBucket: "project-5907664917268693265.appspot.com",
  };
  firebase.initializeApp(config);
</script>

Here is we want: https://www.gstatic.com/firebasejs/3.3.0/firebase.js

4.
Write you own html and java script. Done.

Demo chat room:
http://www.mediafire.com/download/k7cagq3c911kbde/nginxweb.zip