server.js

/* eslint-disable no-console */
import express from 'express'
import webpack from 'webpack'
import webpackDevMiddleware from 'webpack-dev-middleware'
import webpackHotMiddleware from 'webpack-hot-middleware'

import config from './webpack.config.development'

const app = express()
const compiler = webpack(config)
const PORT = 3000

app.use(webpackDevMiddleware(compiler, {
  publicPath: config.output.publicPath,
  stats: {
    colors: true,
  },
}))

app.use(webpackHotMiddleware(compiler))

app.listen(PORT, 'localhost', (err) => {
  if (err) {
    console.error(err)
    return
  }

  console.log(`Listening at http://localhost:${ PORT }`)
})