old_contents: var express = require('express'),
  	app = express(),
  	port = process.env.PORT || 3000,
  	mongoose = require('mongoose'),
  	Camera = require('./api/models/cameraDBModel'),
  	bodyParser = require('body-parser');
  
  mongoose.Promise = global.Promise;
  mongoose.connect('mongodb://localhost/toy');
  
  app.use(bodyParser.urlencoded({ extended: true }));
  app.use(bodyParser.json());
  
  var routes = require('./api/routes/cameraDBRoutes');
  routes(app);
  
  app.listen(port);
  
  console.log('CameraDB RESTfull API server start on: ' + port);
  
  
new_contents: var express = require('express'),
  	app = express(),
  	port = process.env.PORT || 3000,
  	mongoose = require('mongoose'),
  	Camera = require('./api/models/cameraDBModel'),
  	bodyParser = require('body-parser');
  
  mongoose.Promise = global.Promise;
  mongoose.connect('mongodb://localhost/toy');
  
  app.use(bodyParser.urlencoded({ extended: true }));
  app.use(bodyParser.json());
  app.use(function(req, res) {
    res.status(404).send({url: req.originalUrl + ' not found'})
  });
  
  var routes = require('./api/routes/cameraDBRoutes');
  routes(app);
  
  app.listen(port);
  
  console.log('CameraDB RESTfull API server start on: ' + port);
  
  
subject: Add error page