env¶ management api roles server connection kafka 연결 firebasePubsub 연결 httpAwsSig4 인증 awssdk3 인증 features setting purge heartbeat nodelist events onSettingLoad onPurgeRequest 메시지 포맷 v1 setting.feed 포맷 setting.feed 포맷 deploy checkout setting.feedback 포맷 purge.feed 포맷 purge.feedback 포맷 heartbeat.feedback 포맷 nodelist.feedback 포맷 cluster meta discover properties memoryUsage process 운용 안내 inspection process network passiveSockets http https http2 tls geoip pipelineSession metrics export white chaining throttling cpu log meta info watch.log error.log metrics.log system deprecated originError deprecated repository AWS S3 Google Cloud Storage Kakao i cloud - Object Storage StatsD Event rt localCacheStorage meta disks cleanup properties purge async preCacheControl