docker-tag man page

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


docker tag [--help] SOURCE_NAME[:TAG] TARGET_NAME[:TAG]


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



Print usage statement.

  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 by default. Name components may contain lowercase
  characters, 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.

  The tag assigned to the image to version and distinguish images with the same
  name. The tag name may contain lowercase and uppercase characters, digits,
  underscores, periods and dashes. A tag name may not start with a period or a
  dash and may contain a maximum of 128 characters.


Tagging an image referenced by ID

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

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

Tagging an image for a private repository

To push 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 tag 0e5574283393 myregistryhost:5000/fedora/httpd:version1.0


April 2014, Originally compiled by William Henry (whenry at redhat dot com) based on source material and internal work. June 2014, updated by Sven Dowideit  ⟨⟩ July 2014, updated by Sven Dowideit  ⟨⟩ April 2015, updated by Mary Anthony for v2  ⟨⟩ June 2015, updated by Sally O'Malley  ⟨⟩

Referenced By

docker(1), docker-build(1), docker-commit(1), docker-push(1).

Docker User Manuals Docker Community JUNE 2014