server.js

var WebpackDevServer = require("webpack-dev-server");
var webpack = require("webpack");
var config = require("./webpack.config.js");

var server = new WebpackDevServer(webpack(config), {
    publicPath: config.output.publicPath,
    hot: true,
    noInfo: false,
    historyApiFallback: true,
    stats: {colors: true}
});


server.listen(8080, "localhost", function(err) {
    if(err) {
        console.log(err);
    }
    console.log("Listening at http://localhost:8080...");
});

This is a react hot load server.