server.js

//configure mongodb
var dbConfig = require('./config/config.db.js');
var mongoose = require('mongoose');

//create express app
var express = require('express');
var app = express();
const cors = require('cors');

//parse requests of content-type - application/x-www-form-urlencoded
var bodyParser = require('body-parser');
app.use(bodyParser.urlencoded({
    "extended": true
}));

//parse requests of content-type - application/json
app.use(bodyParser.json());

// Allow Cors
app.use(cors());
app.options('*', cors());

//We're using the Jade templating language because it's fast and neat
//app.set('view engine','jade')

//mongoose setup to connect to mongodb
mongoose.Promise = global.Promise;
mongoose.set('useNewUrlParser', true);
mongoose.set('useUnifiedTopology', true);
mongoose.set('useFindAndModify', false);
mongoose.set('useCreateIndex', true);

console.log(app.settings.env)
if (app.settings.env === "development") {
    console.log(dbConfig.getDbPath(app.settings.env))
    mongoose.connect(dbConfig.getDbPath(app.settings.env))
}
//mongoose.connect(dbConfig.url);

mongoose.connection.on('error', function () {
    console.log('Could not connect to mongodb. Exiting now..');
    process.exit();
});

mongoose.connection.once('open', function () {
    console.log('Successfully connected to mongodb..');
});

//define a simple route
app.get('/', function (req, res) {
    res.json({
        "message": "User profile management"
    });
});

//profile routes
require('./api/routes/user.routes.js')(app);

//business profile routes
require('./api/routes/biz.routes.js')(app);

//auth routes
require('./api/routes/auth.routes.js')(app);

//user profile routes
require('./api/routes/userProf.routes.js')(app);

//listen for requests
var port = 3000;
app.listen(port, function () {
    console.log("Express server is listening on port %d in %s mode", port, app.settings.env);
});