http://docs.docker.io/en/latest/installation/rackspace/ http://docs.docker.io/en/latest/installation/amazon/
Basically the steps required by someone in order to get it up and running on Chunkhost. Best to start from beginning (creating a new server) and go from there.
The docs are located here: https://github.com/dotcloud/docker/tree/master/docs/sources/... if you have any questions, feel free to submit the PR with your questions, or jump on the IRC channel #docker on freenode.