old_contents: 'use strict';
  
  module.exports = {
    port:             8081,
    environment:      process.env.ENVIRONMENT || 'development',
    emailGateway: {
      sendEmails:     process.env.ENVIRONMENT === 'production',
      sendgridApikey: process.env.SENDGRID_APIKEY,
      accountEmail:   process.env.ACCOUNT_EMAIL
    }
  };
  
new_contents: 'use strict';
  
  module.exports = {
    port:             process.env.PORT || 8081,
    environment:      process.env.ENVIRONMENT || 'development',
    emailGateway: {
      sendEmails:     process.env.ENVIRONMENT === 'production',
      sendgridApikey: process.env.SENDGRID_APIKEY,
      accountEmail:   process.env.ACCOUNT_EMAIL
    }
  };
  
subject: Update port