docker tag

tag

Usage:  docker tag IMAGE[:TAG] IMAGE[:TAG]

Tag an image into a repository

Options:
      --help   Print usage

An image name 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 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.

A 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.

You can group your images together using names and tags, and then upload them to Share Images via Repositories.

Examples

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

© 2013–2016 Docker, Inc.
Licensed under the Apache License, Version 2.0.
Docker and the Docker logo are trademarks or registered trademarks of Docker, Inc. in the United States and/or other countries.
Docker, Inc. and other parties may also have trademark rights in other terms used herein.
https://docs.docker.com/engine/reference/commandline/tag/

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