* The complete usage guide can be found in [Using GitLab Docker images](http://doc.gitlab.com/omnibus/docker/)* The Dockerfile used for building public images is in [Omnibus Repository](https://gitlab.com/gitlab-org/omnibus-gitlab/tree/master/docker)* Check the guide for [creating Omnibus-based Docker Image](http://doc.gitlab.com/omnibus/build/README.html#Build-Docker-image)