github.com/tompao/docker@v1.9.1/docs/reference/commandline/tag.md (about)

     1  <!--[metadata]>
     2  +++
     3  title = "tag"
     4  description = "The tag command description and usage"
     5  keywords = ["tag, name, image"]
     6  [menu.main]
     7  parent = "smn_cli"
     8  +++
     9  <![end-metadata]-->
    10  
    11  # tag
    12  
    13      Usage: docker tag [OPTIONS] IMAGE[:TAG] [REGISTRYHOST/][USERNAME/]NAME[:TAG]
    14  
    15      Tag an image into a repository
    16  
    17        -f, --force=false    Force
    18        --help=false         Print usage
    19  
    20  You can group your images together using names and tags, and then upload them
    21  to [*Share Images via Repositories*](../../userguide/dockerrepos.md#contributing-to-docker-hub).