Create a tag TARGET_IMAGE that refers to SOURCE_IMAGE
docker tag SOURCE_IMAGE[:TAG] TARGET_IMAGE[:TAG]
|docker||The base command for the Docker CLI.|
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 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.
A tag name must be valid ASCII and may contain lowercase and uppercase letters, 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.
To tag a local image with ID “0e5574283393” into the “fedora” repository with “version1.0”:
$ docker tag 0e5574283393 fedora/httpd:version1.0
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
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
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
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