Is Docker that difficult? The Dockerfile is a nice single file that defines all container dependencies and then it's three commands (build, create, and start) t

Is Docker that difficult? The Dockerfile is a nice single file that defines all container dependencies and then it's three commands (build, create, and start) to be able to easily work in the exact same environment for dev, qa, and production regardless of whether the host is running OSX or a flavour of linux.