DOCKER(1)		      Docker User Manuals		     DOCKER(1)



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



SYNOPSIS
       docker image tag SOURCE_IMAGE[:TAG] TARGET_IMAGE[:TAG]



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



OPTIONS
       NAME
	  The image name which is made up of slash-separated name components,
	  optionally prefixed by a registry hostname. The hostname must comply
       with
	  standard DNS rules, but may not contain underscores. If a hostname
       is
	  present, it may optionally be followed by a port number in the
       format
	  :8080. If not present, the command uses Docker's public registry
       located at
	  registry-1.docker.io by default. Name components may contain
       lowercase
	  letters, digits and separators. A separator is defined as a period,
       one or
	  two underscores, or one or more dashes. A name component may not
       start or end
	  with a separator.


       TAG
	  The tag assigned to the image to version and distinguish images with
       the same
	  name. The tag name must be valid ASCII and may contain lowercase and
	  uppercase letters, digits, underscores, periods and hyphens. A tag
       name
	  may not start with a period or a hyphen and may contain a maximum of
       128
	  characters.



EXAMPLES
Tagging an image referenced by ID
       To tag a local image with ID "0e5574283393" into the "fedora"
       repository with "version1.0":

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


Tagging an image referenced by Name
       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.


Tagging an image referenced by Name and Tag
       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


Tagging an image for a private repository
       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



SEE ALSO
       docker-image(1)

Docker Community		   Sep 2025			     DOCKER(1)