docker/dtr remove

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These are the docs for DTR version 2.4.3

To select a different version, use the selector below.

Remove a DTR replica from a cluster


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


This command gracefully scales down your DTR cluster by removing exactly one replica. All other replicas must be healthy and will remain healthy after this operation.


Option Environment Variable Description
--debug $DEBUG Enable debug mode for additional logs.
--existing-replica-id $DTR_REPLICA_ID The ID of an existing DTR replica.To add, remove or modify DTR, you must connect to an existing healthy replica’s database..
--help-extended $DTR_EXTENDED_HELP Display extended help text for a given command.
--replica-id $DTR_REMOVE_REPLICA_ID DEPRECATED Alias for --replica-ids.
--replica-ids $DTR_REMOVE_REPLICA_IDS A comma separated list of IDs of replicas to remove from the cluster.
--ucp-ca $UCP_CA Use a PEM-encoded TLS CA certificate for UCP.Download the UCP TLS CA certificate from https:// /ca, and use --ucp-ca "$(cat ca.pem)".
--ucp-insecure-tls $UCP_INSECURE_TLS Disable TLS verification for UCP.The installation uses TLS but always trusts the TLS certificate used by UCP, which can lead to man-in-the-middle attacks. For production deployments, use --ucp-ca “$(cat ca.pem)” instead.
--ucp-password $UCP_PASSWORD The UCP administrator password.
--ucp-url $UCP_URL The UCP URL including domain and port.
--ucp-username $UCP_USERNAME The UCP administrator username.
dtr, cli, remove