server.js

var webpack = require('webpack');
var webpakDevMiddleware = 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(webpakDevMiddleware(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("Serving directory: %s. Listening on port %s. Open up http://localhost:%s/ in your browser.", __dirname, port, port);
    }
});