[docker] docker tag command
docker tag SOURCE_IMAGE[:TAG] TARGET_IMAGE[:TAG]
URL: https://docs.docker.com/engine/reference/commandline/tag/
docker pull docker.elastic.co/beats/filebeat:7.14.0
docker tag docker.elastic.co/beats/filebeat:7.14.0 ai.ruten.tw:32767/filebeat:7.14.0
docker push ai.ruten.tw:32767/filebeat:7.14.0
