Promote one or more nodes to manager in the swarm
API 1.24+ The client and daemon API must both be at least 1.24 to use this command. Use the docker version command on the client to check your client and daemon API versions.
Swarm This command works with the Swarm orchestrator.
docker node promote NODE [NODE...]
| Command | Description |
|---|---|
| docker node | Manage Swarm nodes |
| Command | Description |
| docker node demote | Demote one or more nodes from manager in the swarm |
| docker node inspect | Display detailed information on one or more nodes |
| docker node ls | List nodes in the swarm |
| docker node promote | Promote one or more nodes to manager in the swarm |
| docker node ps | List tasks running on one or more nodes, defaults to current node |
| docker node rm | Remove one or more nodes from the swarm |
| docker node update | Update a node |
Promotes a node to manager. This command can only be executed on a manager node.
$ docker node promote <node name>
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https://docs.docker.com/engine/reference/commandline/node_promote/