B.1 Set Up Docker Swarm

1. Download and install Docker Desktop. See https://docs.docker.com/get-started/.
2. Run the following command in a shell prompt to ensure that the Docker engine is running in Swarm mode.

   docker system info

   In the response, scroll and search for the following message:

   Swarm: active

   If Swarm is not enabled, run the following command in a shell prompt to enable it.

   docker swarm init

3. Install a current version of Docker Compose. See https://docs.docker.com/compose/install/.