- The correct answer is:
$ docker swarm init [--advertise-addr <IP address>]The --advertise-addr is optional and only needed if you the host have more than one IP address.
- On the worker node that you want to remove execute:
$ docker swarm leaveOn one of the master nodes execute the command$ docker node rm -f <node ID>where<node ID>is the ID of the worker node to remove. - The correct answer is:
$ docker network create \
--driver overlay \
--attachable \
front-tier- The correct answer is:
$ docker service create --name web \ --network front-tier \ --replicas 5 \ -p 3000:80 \ nginx:alpine
- The correct answer is:
$ docker service update --replicas 3 web