Docker image that has XLD installed.
docker run -v ~/xl-license:/license -p 4516:4516 xebialabs/xl-docker-demo-xld
The license volume mount is needed to provide a valid license, or store a license when logging in the first time. To access the UI, browse to http://[docker_ip]:4516
Please be aware that alpha images are not stable. Anything in there can break, is not guaranteed to be backwards or forwards compatible and there will not be any kind of support provided for them.