text: const config = {};
  const useSentinel = !!process.env.REDIS_SENTINEL_SERVICE_HOST;
  config.redis = {
      host: useSentinel ? process.env.REDIS_SENTINEL_SERVICE_HOST : process.env.REDIS_SERVICE_HOST || 'localhost',
      port: useSentinel ? process.env.REDIS_SENTINEL_SERVICE_PORT : process.env.REDIS_SERVICE_PORT || 6379,
      sentinel: useSentinel,
      clientVerbosity: process.env.CLIENT_VERBOSITY || 'error'
  };
  config.transport = {
      console: false,
      logstash: false,
      fluentd: false,
      file: false
  };
  config.logstash = {
      logstashURL: '127.0.0.1',
      logstashPort: 28777
  };
  config.extraDetails = false;
  config.isDefault = true;
  module.exports = config;
  