In his most recent GigaOm article, “We’re finally headed towards autonomous, self-migrating containers for cloud-application automation“, David Linthicum discusses the value that containers, such as Docker and CoreOS Rocket, are bringing to DevOps and cloud systems management. For the record nothing Dave states in the article is incorrect with regard to the expressed value that containers provide for portability, however, there is an issue with the big picture view discussed for the role of containers in cloud application delivery.
Containers are predicated on the goal of deploying and managing n-tier application designs. By their nature, containers manage n-tier application components, e.g. database servers, application servers, web servers, etc., at the operating system level. Indeed, portability is inherent because all operating system and application configuration dependencies are packaged and delivered inside a container to any other operating system platform. Containers are…
