Yup; there are lots of Docker images available at http://index.docker.io/; http://index.docker.io/; and more interesting features are on the way (trusted images

Yup; there are lots of Docker images available at http://index.docker.io/; http://index.docker.io/; and more interesting features are on the way (trusted images, automated builds...) Also, the Docker workflow is appealing to (at least) some people; this helps them to integrate Docker and OpenStack together.