docker-image-tag - Create a tag TARGET_IMAGE that refers to SOURCE_IMAGE

       Assigns  a  new  alias  to an image in a registry. An alias refers to the entire image name including the
       optional TAG after the ':'.

       docker-image-tag - Create a tag TARGET_IMAGE that refers to SOURCE_IMAGE

-h, --help[=false]      help for tag

docker-image(1)

Docker Community                                    Feb 2025                                           DOCKER(1)

dockerimagetagSOURCE_IMAGE[:TAG]TARGET_IMAGE[:TAG]

       Before pushing an image to a private registry and not the central Docker registry you must  tag  it  with
       the registry hostname and port (if needed).

       docker image tag 0e5574283393 myregistryhost:5000/fedora/httpd:version1.0

       To tag a local image with ID "0e5574283393" into the "fedora" repository with "version1.0":

       docker image tag 0e5574283393 fedora/httpd:version1.0

       To tag a local image with name "httpd" into the "fedora" repository with "version1.0":

       docker image tag httpd fedora/httpd:version1.0

       Note that since the tag name is not specified, the  alias  is  created  for  an  existing  local  version
       httpd:latest.

       To   tag   a   local  image  with  name  "httpd"  and  tag  "test"  into  the  "fedora"  repository  with
       "version1.0.test":

       docker image tag httpd:test fedora/httpd:version1.0.test