docker/dtr image overview

This tool has commands to install, configure, and backup Docker Trusted Registry (DTR). It also allows uninstalling DTR. By default the tool runs in interactive mode. It prompts you for the values needed. For running this tool in non-interactive mode, there are three ways you can use to pass values:

$ docker run -it --rm docker/dtr command --option value
$ docker run -e --rm docker/dtr command ENV_VARIABLE=value
$ docker run -e --rm docker/dtr command ENV_VARIABLE

Additional help is available for each command with the ‘--help’ option.


$ docker run -it --rm docker/dtr \
    command [command options]


Option Description
--help, h Show help


Option Description
install Install Docker Trusted Registry on this Docker Engine
join Add a new replica to an existing DTR cluster
reconfigure Change DTR configurations
remove Remove a replica from a DTR cluster
restore Create a new DTR cluster from an existing backup
backup Backup a DTR cluster to a tar file and stream it to stdout
migrate Migrate configurations, accounts, and repository metadata from DTR 1.4.3 to 2.0
dumpcerts Dump out the TLS certificates used by this DTR instance


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