var webpack = require('webpack'); var webpackDevMiddleware = require('webpack-dev-middleware'); var webpackHotMiddleware = require('webpack-hot-middleware'); var config = require('./webpack.config'); var app = new require('express')(); var port = 4002; var compiler = webpack(config); app.use( webpackDevMiddleware(compiler, { noInfo: true, publicPath: config.output.publicPath, }), ); app.use(webpackHotMiddleware(compiler)); app.get('/', function (req, res) { res.sendFile(__dirname + '/index.html'); }); app.listen(port, function (error) { if (error) { console.error(error); } else { console.info( '==> 🌎 Listening on port %s. Open up http://localhost:%s/ in your browser.', port, port, ); } });