docker-cli/docs/reference/commandline/swarm_update.md

Warning: this command is part of the Swarm management feature introduced in Docker 1.12, and might be subject to non backward-compatible changes.

swarm update

Usage:    docker swarm update [OPTIONS]

update the Swarm.

Options:
      --auto-accept value   Acceptance policy (default [worker,manager])
      --help                Print usage
      --secret string       Set secret value needed to accept nodes into cluster

Updates a Swarm cluster with new parameter values. This command must target a manager node.

$ docker swarm update --auto-accept manager

Related information

• swarm init
• swarm join
• swarm leave