mirror of https://github.com/docker/docs.git
49 lines
2.7 KiB
Markdown
49 lines
2.7 KiB
Markdown
<!--[metadata]>
|
|
+++
|
|
title = "join"
|
|
description = "Docker Trusted Registry join command reference."
|
|
keywords = ["docker, registry, reference, join"]
|
|
[menu.main]
|
|
parent="dtr_menu_reference"
|
|
identifier="dtr_reference_join"
|
|
+++
|
|
<![end-metadata]-->
|
|
|
|
# docker/dtr join
|
|
|
|
Add a new replica to an existing DTR cluster
|
|
|
|
## Usage
|
|
|
|
```bash
|
|
$ docker run -it --rm docker/dtr \
|
|
join [command options]
|
|
```
|
|
|
|
## Description
|
|
|
|
This command installs DTR on the Docker Engine that runs the command,
|
|
and joins the new installation to an existing cluster.
|
|
|
|
To set up a cluster with high-availability, add 3, 5, or 7 nodes to
|
|
the cluster.
|
|
|
|
|
|
| Option | Description |
|
|
|:---------------------------|:---------------------------------------------------------------------------------------------|
|
|
| `--ucp-url` | Specify the UCP controller URL [$UCP_URL] |
|
|
| `--ucp-username` | Specify the UCP admin username [$UCP_USERNAME] |
|
|
| `--ucp-password` | Specify the UCP admin password [$UCP_PASSWORD] |
|
|
| `--debug` | Enable debug mode, provides additional logging [$DEBUG] |
|
|
| `--hub-username` | Specify the Docker Hub username for pulling images [$HUB_USERNAME] |
|
|
| `--hub-password` | Specify the Docker Hub password for pulling images [$HUB_PASSWORD] |
|
|
| `--ucp-insecure-tls` | Disable TLS verification for UCP [$UCP_INSECURE_TLS] |
|
|
| `--ucp-ca` | Use a PEM-encoded TLS CA certificate for UCP [$UCP_CA] |
|
|
| `--ucp-node` | Specify the host to install Docker Trusted Registry [$UCP_NODE] |
|
|
| `--replica-id` | Specify the replica Id. Must be unique per replica, leave blank for random [$DTR_REPLICA_ID] |
|
|
| `--unsafe` | Enable this flag to skip safety checks when installing or joining [$DTR_UNSAFE] |
|
|
| `--existing-replica-id` | ID of an existing replica in a cluster [$DTR_EXISTING_REPLICA_ID] |
|
|
| `--replica-http-port "0"` | Specify the public HTTP port for the DTR replica [$REPLICA_HTTP_PORT] |
|
|
| `--replica-https-port "0"` | Specify the public HTTPS port for the DTR replica [$REPLICA_HTTPS_PORT] |
|
|
| `--skip-network-test` | Whether to skip the overlay networking test or not [$DTR_SKIP_NETWORK_TEST] |
|