[Solved] Losing Mattermost settings after GitLab update

[jurgenhaas (Jürgen)]

@tpro you may want to look into https://github.com/gitlabhq/omnibus-gitlab/blob/master/files/gitlab-config-template/gitlab.rb.template where you can find a full list of variables that you can define in gitlab.rb so that no manual editing will be required anymore.