docs/cluster/reference/backup.md

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Back up a running cluster	documentation, docs, docker, cluster, infrastructure, automation	docker cluster backup	true

Usage

docker cluster backup [OPTIONS] cluster

Use the following options as needed to back up a running cluster:

• --dry-run: Skips resource provisioning.
• --file string: Specifies a cluster backup filename. Defaults to backup.tar.gz.
• --log-level string: Specifies the logging level. Valid values include: trace,debug,info,warn,error, and fatal. Defaults to warn.
• --passphrase string: Specifies a cluster backup passphrase.

The backup command performs a full Docker Cluster backup following the steps found in Backup and Restore Best Practices.