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docker-tag - Online in the Cloud

Run docker-tag in OnWorks free hosting provider over Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

This is the command docker-tag that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

PROGRAM:

NAME


docker-tag - Tag an image into a repository

SYNOPSIS


docker tag [--help] IMAGE[:TAG] [REGISTRY_HOST/][USERNAME/]NAME[: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 ':'.

If you do not specify a REGISTRY_HOST, the command uses Docker's public registry located
at registry-1.docker.io by default.

OPTIONS


--help
Print usage statement.

REGISTRY_HOST
The hostname of the registry if required. This may also include the port separated by a
':'

USERNAME
The username or other qualifying identifier for the image.

NAME
The image name.

TAG
The tag you are assigning to the image. Though this is arbitrary it is recommended to
be used for a version to distinguish images with the same name. Also, for consistency
tags should only include a-z0-9-_. . Note that here TAG is a part of the overall name or
"tag".

EXAMPLES


Giving an image a new alias


Here is an example of aliasing an image (e.g., 0e5574283393) as "httpd" and tagging it
into the "fedora" repository with "version1.0":

docker tag 0e5574283393 fedora/httpd:version1.0

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

HISTORY


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

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