const webpackDevServer = require('webpack-dev-server'); const webpack = require('webpack'); const config = require('./webpack.config.js'); const options = { contentBase: './dist', hot: true, host: 'localhost' }; webpackDevServer.addDevServerEntrypoints(config,options); const compiler = webpack(config); const server = new webpackDevServer(compiler,options); server.listen(5000,'localhost',()=>{ console.log('dev server listening on port 5000'); });