Using the docker-swarm Command

• Initialize a swarm cluster:

docker swarm init

• Display the token to join a manager or a worker:

docker swarm join-token *worker|manager*

• Join a new node to the cluster:

docker swarm join --token *token* *manager_node_url:2377*

• Remove a worker from the swarm (run inside the worker node):

docker swarm leave

• Display the current CA certificate in PEM format:

docker swarm ca

• Rotate the current CA certificate and display the new certificate:

docker swarm ca --rotate

• Change the valid period for node certificates:

docker swarm update --cert-expiry *hours*h*minutes*m*seconds*s

This content is compiled from the open-source tldr-pages project under the MIT license.