Questions

To assess your learning progress please answer the following questions:

1. How do you initialize a new Docker Swarm?
   1. docker init swarm
   2. docker swarm init --advertise-addr <IP address>
   3. docker swarm join --token <join token>
2. You want to remove a worker node from a Docker Swarm. What steps are necessary?
3. How do you create an overlay network called front-tier? Make the network attachable.
4. How will you create a service called web from the nginx:alpine image with five replicas, which exposes port 3000 on the ingress network and is attached to the front-tier network?
5. How will you scale the web service down to three instances?