docs/docker-trusted-registry/reference/dumpcerts.md

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docker/dtr dumpcerts

Dump out the TLS certificates used by this DTR instance

Usage

docker run -i --rm docker/dtr \
    dumpcerts [command options] > backup.tar

Description

This command creates a backup of the certificates used by DTR for communicating across replicas with TLS.

Options

Option	Description
--ucp-url	Specify the UCP controller URL including domain and port
--ucp-username	Specify the UCP admin username
--ucp-password	Specify the UCP admin password
--debug	Enable debug mode, provides additional logging
--hub-username	Specify the Docker Hub username for pulling images
--hub-password	Specify the Docker Hub password for pulling images
--ucp-insecure-tls	Disable TLS verification for UCP
--ucp-ca	Use a PEM-encoded TLS CA certificate for UCP
--existing-replica-id	ID of an existing replica in a cluster