platform-trace-dashboard/scripts/server.js

const chalk = require('chalk')
const express = require('express')
const webpack = require('webpack')
const history = require('connect-history-api-fallback')
const webpackDevMiddleware = require('webpack-dev-middleware')
const webpackHotMiddleware = require('webpack-hot-middleware')
const config = require('./config')
const webpackConfig = require('./webpack/dev')

const app = express()
const compiler = webpack(webpackConfig)

app.use(history())
app.use(webpackDevMiddleware(compiler, {
  logLevel: 'silent',
  publicPath: webpackConfig.output.publicPath,
}))

app.use(webpackHotMiddleware(compiler, {
  log: false,
  path: '/__what',
  heartbeat: 5000,
}))

console.log(chalk.cyan('Starting the development server...\n'))
app.listen(config.port)