old_contents: 'use strict';
  const compression = require('compression');
  const environment = require('../environment');
  const express = require('express');
  
  module.exports = app => {
    const configuration = environment.server;
  
    app.set('json spaces', configuration.server.jsonSpaces);
    app.use(express.static(configuration.server.webDir));
    app.use(compression());
  };
  
new_contents: 'use strict';
  const compression = require('compression');
  const environment = require('../environment');
  const express = require('express');
  
  module.exports = app => {
    const configuration = environment.server;
  
    app.set('json spaces', configuration.jsonSpaces);
    app.use(express.static(configuration.webDir));
    app.use(compression());
  };
  
subject: fix error in express route response