serve-repo.js

var fs = require('fs'),                                                                                                                            
  UglifyJS = require('uglify-js');
var express = require('express'),
  app = express();

var repo = process.argv[2];
var html = fs.readFileSync(__dirname + '/' + repo + '/build/index.html').toString();
var js = UglifyJS.minify(__dirname + '/' + repo + '/build/' + repo + '.bundle.js').code;
//js = fs.readFileSync(__dirname + '/' + repo + '/build/' + repo + '.bundle.js').toString();
html = html.replace('<script src="' + repo + '.bundle.js"></script>', '<script>' + js + '</script>');
console.log('start serving');
app.get('/index.html', function (req, res) {
  console.log('new request');
  res.send(html);
});
app.use(express.static(repo + '/build'));
app.listen(8080);