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docker swarm leave

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| Description | Leave the swarm | | Usage | docker swarm leave [OPTIONS] |

Swarm This command works with the Swarm orchestrator.

Description

When you run this command on a worker, that worker leaves the swarm.

You can use the --force option on a manager to remove it from the swarm. However, this does not reconfigure the swarm to ensure that there are enough managers to maintain a quorum in the swarm. The safe way to remove a manager from a swarm is to demote it to a worker and then direct it to leave the quorum without using --force. Only use --force in situations where the swarm will no longer be used after the manager leaves, such as in a single-node swarm.

Options

Option	Default	Description
-f, --force		Force this node to leave the swarm, ignoring warnings

Examples

Consider the following swarm, as seen from the manager:

$ docker node ls

ID                           HOSTNAME  STATUS  AVAILABILITY  MANAGER STATUS
7ln70fl22uw2dvjn2ft53m3q5    worker2   Ready   Active
dkp8vy1dq1kxleu9g4u78tlag    worker1   Ready   Active
dvfxp4zseq4s0rih1selh0d20 *  manager1  Ready   Active        Leader

To remove worker2, issue the following command from worker2 itself:

$ docker swarm leave

Node left the default swarm.

The node will still appear in the node list, and marked as down. It no longer affects swarm operation, but a long list of down nodes can clutter the node list. To remove an inactive node from the list, use the node rm command.