This are the three services mentioned in the DT definition for N|S

dt-services.js

// console.js
const http = require('http')
const PORT = process.env.PORT || 3000
http.createServer((req, res) => {
  if (req.url === '/auth') {
    console.log('AUTH handler')
    const googleAuthURL = 'http://localhost:4000'
    const gReq = http.request(googleAuthURL)
    gReq.end()
    gReq.on('close', () => res.writeHead(200).end('Google made it'))
  } else if (req.url === '/auth-2fa') {
    const googleAuthURL = 'http://localhost:4000/2fa'
    const twofaR = http.request(googleAuthURL)
    twofaR.end()
    twofaR.on('close', () => res.writeHead(200).end('Google made it with twilio'))
  } else {
    res.end('Love you <3')
  }
}).listen(PORT)

// google-auth.js
const http = require('http')
const PORT = process.env.PORT || 4000
http.createServer((req, res) => {
  if (req.url === '/2fa') {
    const twilioURL = 'http://localhost:5000'
    const twilioR = http.request(twilioURL)
    res.writeHead(200).end('Google made it')
    twilioR.end()
  } else {
    console.log('Google root handler')
    res.writeHead(200).end('Love you <3')
  }
}).listen(PORT)

// twilio.js
const http = require('http')
const PORT = process.env.PORT || 5000
http.createServer((req, res) => {
  res.writeHead(200).end('From twilio <3')
}).listen(PORT)