old_contents: require('colors');
  var express = require('express');
  var bodyParser = require('body-parser');
  var path = require('path');
  var app = express();
  var http = require('http').Server(app);
  var io = require('socket.io')(http);
  
  var imgPath = 'uploads/image';
  
  app.use(bodyParser({ limit: '5mb'}));
  
  io.on('connection', function(socket){
    console.log('User connected');
    socket.emit('refresh');
  });
  
  io.of('/android').on('connection', function(socket){
    console.log('Android connected');
  });
  
  var port = Number(3000);
  http.listen(port, function() {
    console.log(('Listening on ' + port).green);
  });
  
  app.get('/client', function(req, res) {
    res.sendfile(path.resolve('src/index.html'));
  });
  
  app.post('/upload', function(req, res) {
    res.send('OK!');
    io.emit('refresh', { image: req.body.image });
  });
  
  app.get('/image', function(req, res){
    res.sendfile(path.resolve(imgPath));
  });
new_contents: require('colors');
  var express = require('express');
  var bodyParser = require('body-parser');
  var path = require('path');
  var app = express();
  var http = require('http').Server(app);
  var io = require('socket.io')(http);
  
  var imgPath = 'uploads/image';
  
  app.use(bodyParser({ limit: '5mb'}));
  
  io.on('connection', function(socket){
    console.log('User connected');
    socket.emit('refresh');
  });
  
  io.of('/android').on('connection', function(socket){
    console.log('Android connected');
  });
  
  var port = Number(process.env.PORT || 5000);
  http.listen(port, function() {
    console.log(('Listening on ' + port).green);
  });
  
  app.get('/client', function(req, res) {
    res.sendfile(path.resolve('src/index.html'));
  });
  
  app.post('/upload', function(req, res) {
    res.send('OK!');
    io.emit('refresh', { image: req.body.image });
  });
  
  app.get('/image', function(req, res){
    res.sendfile(path.resolve(imgPath));
  });
subject: Revert port.