app.js

const express = require('express')
const app = express()
const http = require('http')
const server = http.createServer(app)

app.configure(() => {
  app.use(express.bodyParser())
  app.use(express.methodOverride())
  app.use(app.router)
  app.use((req, res, next) => {
    // Website you wish to allow to connect
    res.setHeader('Access-Control-Allow-Origin', '*')

    // Request methods you wish to allow
    res.setHeader('Access-Control-Allow-Methods', 'GET, POST, OPTIONS, PUT, PATCH, DELETE')

    // Request headers you wish to allow
    res.setHeader('Access-Control-Allow-Headers', 'X-Requested-With,content-type')

    // Set to true if you need the website to include cookies in the requests sent
    // to the API (e.g. in case you use sessions)
    res.setHeader('Access-Control-Allow-Credentials', true)

    // Cache control
    res.setHeader('Cache-Control', 'max-age=3600')

    // Pass to next layer of middleware
    next()
  })
})

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

server.listen(8080)