proxy

dev.js

const fs = require('fs')
const express = require('express')
const proxy = require("http-proxy").createProxyServer({"changeOrigin": true})

const index = './src/index.html'
const port = 3000
const proxyTarget = '...'

const app = express()

app.use('/public', express.static('./target/public'))
app.use('/proxy', (req, res) => proxy.web(req, res, {target: proxyTarget}))
app.get('/', (req, res) => fs.readFile(index, 'utf8', (error, template) => {
  if (error) throw new Error(error)
  res.send(template)
}))

const server = app.listen(port, () => {
  console.log('Server started at http://localhost:' + port)
})

package.json

{
  "dependencies": {
    "express": "4.13.3",
    "http-proxy": "1.12.0"
  }
}