Release highlights of Docker 1.12.0 include built-in orchestration, which has been declared ready for production, a brand new Swarm Mode, built-in routing mesh, numerous networking security improvements, as well as the ability to build Docker images with the new HEALTHCHECK dockerfile command, which supports user-defined healthchecks. Moreover, Docker 1.12.0 ships with support for creating Docker swarms, creating a service, scaling the service to two instances, as well as removing the service, a brand new plugin command for managing plugins with the install, enable, disable, set, rm, and inspect subcommands, and numerous other goodies that you can view in the changelog attached at the end of the article.