Native Docker Clustering with Swarm

Swarm, today

In this section, we'll set up a small cluster with the new Swarm mode built in Docker Engine 1.12 or later.

At the DockerCon16, among the big announcements, two drew big attention regarding containers orchestration:

• The integration between the Engine and Swarm, called the Docker Swarm mode.
• SwarmKit

In practice, the Docker daemon, starting from version 1.12, adds the possibility to run a so-called Swarm Mode. New CLI commands were added to the docker client, such as node, service, stack, deploy, alongside with, of course, swarm.

We'll cover Swarm Mode and SwarmKit in more detail starting fromChapter 3, Meeting Docker Swarm Mode, but now that we finished the example with Swarm v1, we're going to give the reader a taste on how Swarm v2 has ...