Docker

I was totally drawn in by this whale logo—loved it the first time I saw it. Docker is an open-source engine that makes it easy to create lightweight, portable, self-sufficient containers for any application. A container that a developer compiles and tests on a laptop can be deployed in batches to production environments, including VMs (virtual machines), bare metal, OpenStack clusters, and other infrastructure platforms. Compared with ordinary VM images, the biggest difference is that a Docker container image does not include an operating system kernel. …