text: const defaultConfig = require('./default.config');
  const stagingConfig = require('./staging.config');
  const productionConfig = require('./production.config');
  
  let config = defaultConfig;
  
  switch (process.env.NODE_ENV) {
      case 'development':
          config = defaultConfig;
          break;
      case 'staging':
          config = stagingConfig;
          break;
      case 'production':
          config = productionConfig;
          break;
    default:
      config = defaultConfig;
  }
  
  module.exports = config;
  