Creating a Local Docker Swarm with VirtualBox

Docker Swarm is the container orchestration tool built into Docker, and while it isn’t nearly as popular as Kubernetes, it still has a lot going for it. It uses mostly the same syntax as Docker, so you can leverage your existing knowledge. To make a Swarm cluster in VirtualBox we’ll need three VMs that a) can talk to each other, b) can be accessed from your local computer, and c) can get to the Internet.

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