especificos-web-V2/back/app.js

/**
* Main application file
*/

'use strict';

var express = require('express');
var app = express();
var mongoose = require('mongoose');

mongoose.connect('mongodb://localhost/eba');

require('./routes')(app); 

app.get('/', function (req, res) {
  res.send('Hello World!')
})

function allowCrossDomain(req, res, next) {
  res.header('Access-Control-Allow-Origin', '*');
  res.header('Access-Control-Allow-Methods', 'GET,PUT,POST,DELETE,OPTIONS');
  res.header('Access-Control-Allow-Headers', 'Content-Type, Authorization, Content-Length, X-Requested-With');
  
  // intercept OPTIONS method
  if ('OPTIONS' === req.method) {
    res.send(200);
  }
  else {
    next();
  }
}

app.use(allowCrossDomain);

try {
  app.listen(3000, function () {
    console.log('Example app listening on port 3000!')
  })
} catch (error) {
  console.error(error);
}