I wouldn't say it's bleak. The next version of Red Hat's PaaS is based on docker containers.

"The OpenShift v3 Cartridge format will adopt the Docker packaging model and enable users to leverage any application component packaged as a Docker image. This will enable developers to tap into the Docker Hub community to both access and share container images to use in OpenShift."

https://www.openshift.com/blogs/openshift-v3-platform-combin...

https://github.com/openshift/openshift-pep/blob/master/opens...