Default express app

app.js

var express = require('express');
var app = express();
var bodyParser = require('body-parser');
var cors = require('cors');
var config = require('./config/config.json');
var async = require('async');
var color = require('colors');

var PORT = config.PORT || process.env.PORT || 8080;

app.use(cors());
app.use(bodyParser.urlencoded({
    extended: true
}));
app.use(bodyParser.json({
    type: '*/*'
}));

/* Routes */
app.use('/', require('./routes/index'));

async.waterfall([
    function (next) {
        next();
    }
], function (err) {
    app.listen(PORT);
    console.log('Server is runing on port: '.green + PORT);
});
module.exports = app;

index.js

var router = require('express').Router();

router.route('/')
    .get(function(req, res) {
        res.send('Hello!');
    });

module.exports = router;

package.json

{
  "name": "food-server",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "dependencies": {
    "async": "^2.1.5",
    "body-parser": "^1.17.1",
    "colors": "^1.1.2",
    "cors": "^2.8.1",
    "express": "^4.15.2"
  },
  "devDependencies": {
    "chai": "^3.5.0",
    "chai-http": "^3.0.0",
    "mocha": "^3.2.0"
  },
  "keywords": [],
  "author": "",
  "license": "ISC"
}