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Using the Docker command line interface, we can access the local Docker daemon on port 2375 and the Docker Swarm on port 4000. The Swarm manager orchestrates containers on the remote Swarm node using port 2375 while the node registers itself to Consul using port 8500.

Setup

Step 1: Preparation

• Download & install VirtualBox (https://www.virtualbox.org/)
• Download the actual CoreOS image (https://coreos.com/os/docs/latest/booting-with-iso.html)

• Create two virtual machines:

  Name:	CoreOS <version> - cluster-r730-1	CoreOS <version> - cluster-r730-k20-1
  Type:	Linux
  Version:	Linux 2.6 / 3.x / 4.x (64-bit)
  Memory:	1024MB
  Storage:	Create new virtual hard disk:         Name: CoreOS <version> - cluster-r730-1.vdi         Size: 8GB (Dynamically expanding sorage)
  Network	Adapter 1: NAT

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Step 3: Download Docker images

docker pull swarm
docker pull progrium/consul
docker pull hello-world

Step 4: Setup local network

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