Setup Openshift to run localhost and online

app.js

'use strict'
const express = require('express');
const bodyParser = require('body-parser');
const path = require('path');
const app = express();

//Handler to provider any function to parse in ObjectId
String.prototype.toObjectId = function() {
  var ObjectId = (require('mongoose').Types.ObjectId);
  return new ObjectId(this.toString());
};

app.use(bodyParser.urlencoded({extended:true}));  // support encoded bodies
app.use(bodyParser.json()); // support json encoded bodies

app.use(express.static(path.join(__dirname, 'public')));


module.exports = app;

index.js

const app = require('./app');

let params = [];

(process.env.OPENSHIFT_NODEJS_IP && ( params.push(process.env.OPENSHIFT_NODEJS_IP)));

(process.env.OPENSHIFT_NODEJS_PORT && !(params.push(process.env.OPESHIFT_NODEJS_PORT))  || params.push('3333'));

const cb = () => {
    console.log("%s: Server is listening on "+ (params.length == 3 ? '%s' : 'localhost')+":%s", new Date(), ...(params.slice(0, params.length -1)));
};

params.push(cb);
app.listen(...params);

package.json

{
  "name": "websocket",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1",
    "start": "node index.js"
  },
  "author": "",
  "license": "ISC",
  "dependencies": {
    "body-parser": "^1.15.2",
    "express": "^4.14.0",
    "mongoose": "^4.7.6",
    "socket.io": "^1.7.2",
    "underscore": "^1.8.3"
  }
}