server.js

var express = require('express');
var app = express();
var bodyParser = require('body-parser');
var multer = require('multer');
var passport = require('passport');
var cookieParser = require('cookie-parser');
var session  = require('express-session');
var mongoose = require("mongoose");
var connectionString = 'mongodb://127.0.0.1:27017/WebDev2016'; // for local

if(process.env.MLAB_USERNAME) { // check if running remotely
    var username = process.env.MLAB_USERNAME; // get from environment
    var password = process.env.MLAB_PASSWORD;
    connectionString = 'mongodb+srv://' + username + ':' + password;
        //'mongodb://' + username + ':' + password;
    // mongodb+srv://
    connectionString += '@webdev2016.vzvax.mongodb.net/WebDev2016?retryWrites=true&w=majority'
        //'@ds235860.mlab.com:35860/heroku_9w9phl17';
    //@webdev2016.vzvax.mongodb.net/WebDev2016?retryWrites=true&w=majority
}
var db = mongoose.connect(connectionString);


app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: true }));
app.use(multer());


console.log(process.env.SESSION_SECRET);

app.use(session({
    secret: "FormMaker",
    //process.env.SESSION_SECRET,
    resave: true,
    saveUninitialized: true
}));

app.use(cookieParser());
app.use(passport.initialize());
app.use(passport.session());
app.use(express.static(__dirname + '/public'));


//require("./public/assignment/server/app.js")(app,mongoose,db);
//require("./public/project/server/app.js")(app,mongoose,db);
require("./public/app.js")(app,mongoose,db);
//var ipaddress = process.env.OPENSHIFT_NODEJS_IP || '127.0.0.1';
var port = process.env.PORT || 3000;



app.listen(port);