old_contents: var gulp = require('gulp');
  var webpack = require('webpack');
  
  var clientConfig = require('./config/webpack.prod.client.js')
  var serverConfig = require('./config/webpack.prod.server.js')
  
  
  gulp.task('bundle-client', function(done) {
      webpack( clientConfig ).run(onBundle(done))
  });
  
  gulp.task('bundle-server', function(done) {
      webpack( serverConfig ).run(onBundle(done))
  });
  
  gulp.task('bundle', ['bundle-client', 'bundle-server']);
  
  
  function onBundle(done) {
      return function(err, stats) {
          if (err) console.log('Error', err);
          else console.log(stats.toString());
          done()
      }
  }
  
new_contents: var gulp = require('gulp');
  var webpack = require('webpack');
  
  var clientConfig = require('./config/webpack.prod.client.js')
  var serverConfig = require('./config/webpack.prod.server.js')
  
  
  gulp.task('bundle-client', function(done) {
      webpack( clientConfig ).run(onBundle(done))
  });
  
  gulp.task('bundle-server', function(done) {
      webpack( serverConfig ).run(onBundle(done))
  });
  
  gulp.task('copy-html', function() {
  	gulp.src('./src/index.html').pipe(gulp.dest('./app'))
  });
  
  gulp.task('bundle', ['bundle-client', 'bundle-server', 'copy-html']);
  
  
  function onBundle(done) {
      return function(err, stats) {
          if (err) console.log('Error', err);
          else console.log(stats.toString());
          done()
      }
  }
  
subject: Add copy-html task