Docker is a collection of Platform as a Service (PaaS) products that make use of operating-system-level virtualization to deploy containers and containerized services. Docker has been around since 2013, so it’s mature enough to handle enterprise-level needs. Speaking of which, you’ll find a few different versions of Docker, such as the community edition, the open-source edition, and even Docker Enterprise.
Learn more about how to install and deploy Docker Engine, which is available free on the Ubuntu platform. And how, with the help of a Docker Swarm cluster, you can scale those deployments with remarkable ease, and make them immediately accessible from the LAN to which they were deployed in this PDF download from TechRepublic Premium.