Documentation for using docker image

[christheradioguy]

I'm trying to get this up and running using the docker image, however, there seems to be a lack of documentation on how to use this. Currently I'm running it with:

docker run icewind1991/mx-puppet-steam -e CONFIG_PATH=/config/config.yaml -e REGISTRATION_PATH=/config/registration.yaml -v /opt/mx-puppet-steam/config:/config -v /opt/mx-puppet-steam/data:/data

After creating the file /opt/mx-puppet-steam/config/config.yaml however, the docker image just returns No config found any documentation on using the docker image?