docker tag | docker remove tag
DescriptionCreateatagTARGET_IMAGEthatreferstoSOURCE_IMAGEUsage$dockertagSOURCE_IMAGE[:TAG]TARGET_IMAGE[:TAG]ExtendeddescriptionAnimagenameismadeupofslash-separatednamecomponents,optionallyprefixedbyaregistryhostname.ThehostnamemustcomplywithstandardDNSrules,butmaynotcontainunderscores.Ifahostnameispresent,itmayoptionallybefollowedbyaportnumberintheformat:8080.Ifnotpresent,thecommandusesDocker’spublicregistrylocatedatregistry-1.docker.iobydefault.Namecomponentsmaycontainlowercaseletters,digit...
DescriptionCreate a tag TARGET_IMAGE that refers to SOURCE_IMAGE
Usage $ docker tag SOURCE_IMAGE[:TAG] TARGET_IMAGE[:TAG] Extended descriptionAn 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.
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