Proper CLI usage in Gitlab

[karser (Dmitrii)]

I’m on GitLab CE 10.1.1 running on docker. That’s how it works for me:

docker exec -it -u mattermost <container> bash
cd /opt/gitlab/embedded/service/mattermost
mattermost -c /var/opt/gitlab/mattermost/config.json version
Version: 4.2.0