docker/dtr overview

Estimated reading time: 1 minute

This topic applies to Docker Enterprise.

The Docker Enterprise platform business, including products, customers, and employees, has been acquired by Mirantis, inc., effective 13-November-2019. For more information on the acquisition and how it may affect you and your business, refer to the Docker Enterprise Customer FAQ.

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.

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


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

If not specified, docker/dtr uses the latest tag by default. To work with a different version, specify it in the command. For example, docker run -it --rm docker/dtr:2.6.0.


Option Description
install Install Docker Trusted Registry
join Add a new replica to an existing DTR cluster
reconfigure Change DTR configurations
remove Remove a DTR replica from a cluster
destroy Destroy a DTR replica’s data
restore Install and restore DTR from an existing backup
backup Create a backup of DTR
upgrade Upgrade DTR 2.4.x cluster to this version
images List all the images necessary to install DTR
emergency-repair Recover DTR from loss of quorum
dtr, install, uninstall, configure