generator-azure-web-app/src/configurators/environment.js

Minimalist Web App generator: Webpack/Rollup + React + Express, deployable to vanilla Node.js, Azure App Service, and IIS

'use strict';

module.exports = function (config, favor) {
  if (typeof process.env.PORT === 'string') {
    config.PORT = process.env.PORT;
  }

  return config;
};