old_contents: import config from 'shared/configs'
  import path from 'path';
  import express from 'express';
  
  import webpack from 'webpack';
  import webpackConfig from '../../webpack/webpack.config.dev.js';
  
  import serverRendering from './serverRendering';
  
  const app = express();
  
  app.use(express.static(path.join(process.cwd(), 'static')));
  
  app.use(serverRendering);
  
  app.listen(config.port, function (err) {
    if (err) {
      console.log(err);
      return;
    }
    console.log('Server listening on', config.port);
  });
new_contents: import config from 'shared/configs'
  import path from 'path';
  import express from 'express';
  import serverRendering from './serverRendering';
  
  const app = express();
  app.use(express.static(path.join(process.cwd(), 'static')));
  app.use(serverRendering);
  
  app.listen(config.port, function (err) {
    if (err) {
      console.log(err);
      return;
    }
    console.log('Server listening on', config.port);
  });
subject: remove unused code