Deployment with Docker

Cleaning up

As with any service that we are finished with, we need to make sure that we clean up any resources we have used up so far. In the case of Swarm, we should probably remove our service and destroy our cluster until we need it again. You can do both of those things using docker service rm and docker swarm leave:

$ docker service lsID           NAME          MODE       REPLICAS IMAGE         PORTSz0z90wgylcpf simple-server replicated 3/3      simple_server *:8000->8000/tcp$ docker service rm simple-serversimple-server$ docker service lsID           NAME          MODE       REPLICAS IMAGE         PORTS$ docker swarm leave --forceNode left the swarm.

The reason why we had to use the --force flag here is due to the fact that we are a manager node and we are the last one in the cluster, so by default, Docker ...