text: /**
   * Copyright 2019 IBM Corp. All Rights Reserved.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  const config = {
      port: process.env.PORT || 3000,
      host: process.env.HOST || 'browserfunctions.test',
      functionDomain: process.env.DOMAIN || process.env.HOST || 'browserfunctions.test',
      functionsRoot: process.env.FUNCTIONS_ROOT || __dirname + '/../functions_root/',
      masterAccessKey: process.env.MASTER_ACCESS_KEY || 'MASTER_ACCESS_KEY',
      level: process.env.LOG_LEVEL || 'debug',
      protocol: process.env.NODE_ENV === 'production' ? 'https' : 'http',
      isDev: process.env.NODE_ENV !== 'production',
      portInfo: process.env.NODE_ENV === 'production' ? '' : `:${process.env.PORT || 3000}`,
      chromeTabCount: 100,
      firefoxTabCount: 20
  }
  
  if (!config.isDev && !process.env.MASTER_ACCESS_KEY) {
      throw new Error('You must set an environment variable named MASTER_ACCESS_KEY in production mode.')
  }
  
  if (!config.isDev && !process.env.HOST) {
      throw new Error('You must set an environment variable named HOST in production mode.')
  }
  
  module.exports = config
  