docker-swarm
A container orchestration tool.
TLDR
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
