In a previous article, "Provisioning Docker with Puppet", in the December 2016 issue, I covered one of the ways you can install the Docker service onto a new system with Puppet. By contrast, this ...

Docker containers are meant to be immutable, meaning the code and data they hold never change. Immutability is useful when you want to be sure the code running in production is the same as the code ...

Containers are meant to provide component isolation in a modern software stack. Put your database in one container, your web application in another, and they can all be scaled, managed, restarted, and ...