Angular 2

server.js

const express = require('express')
const path = require('path')
const fs = require('fs')
const app = express()
const staticRoot = path.resolve() // this is you app root

app.set('port', process.env.PORT || 3000)
app.use(express.static(staticRoot))
app.use(function (req, res, next) {
  // if the request is not html then move along
  const accept = req.accepts('html', 'json', 'xml')
  if (accept !== 'html') {
    return next()
  }
  // if the request has a '.' assume that it's for a file, move along
  const ext = path.extname(req.path)
  if (ext !== '') {
    return next()
  }
  fs.createReadStream(staticRoot + 'index.html').pipe(res)
})
app.listen(app.get('port'), function () {
  console.log('app running on port', app.get('port'))
})