old_contents: "use strict";
  /* eslint-disable no-console */
  /* eslint-disable import/default */
  var chalk = require('chalk');
  var app = require('../app.js'); // This initializes the Express application
  var config = require('../../config.js');
  
  var port = config.port || 5000;
  var server = app.listen(port, err => {
    if (err) {
      console.log(chalk.red(err));
    } else {
      console.log(chalk.green('Server listening on port'), chalk.blue(port));
    }
  });
  
  module.exports = server;
  
new_contents: "use strict";
  /* eslint-disable no-console */
  /* eslint-disable import/default */
  var chalk = require('chalk');
  var app = require('../app.js'); // This initializes the Express application
  // var config = require('../../config.js');
  
  var port = process.env.PORT || 5000;
  var server = app.listen(port, err => {
    if (err) {
      console.log(chalk.red(err));
    } else {
      console.log(chalk.green('Server listening on port'), chalk.blue(port));
    }
  });
  
  module.exports = server;
  
subject: Move npm dotenv to dependencies instead of dev-dependencies