[Docker] Backup file 생성

• container → .tar

$ docker export CONTAINER_NAME PATH/FILE_NAME.tar




• .tar → container

$ docker import PATH/FILE_NAME.tar




• .tar → image   

      - [Docker Documentation]

$ docker load PATH/FILE_NAME.tar




• image → .tar

$ docker save IMAGE_NAME PATH/FILE_NAME.tar




• container → image

      - [Docker Documentation]
  

$ docker commit CONTAINER_ID IMAGE_NAME:TAG