Listening on HTTP and HTTPS

server.js

// Host runing https:
var port = 3000;
var express = require('express');
var fs = require("fs");
var cert = {
  key: fs.readFileSync('./cert/x.key'),
	cert: fs.readFileSync('./cert/x.cer')
};
var app = express()
, http = require('http').createServer(app)
, https = require('https').createServer(cert, app)
, io = require('socket.io').listen(https, { log: false });

http.listen(3001, function() {
	console.log('listening on *:' + 3001);
});

// runing https port : 3000
https.listen(port, function() {
	console.log('listening on *:' + port);
});