server.js

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 = 3000;

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(err) {
	if(err) {
		console.log(err);
	} else {
		console.log('Listening on port %s', port);
	}
});