fasttrack contains a 1.7.3 version that's new enough. The 1.8.0 version from backports is too new it seems, and it what gets installed when you just do: apt install gitlab
- Bug#1024627: gitlab: Fails to install Kurt Roeckx
- Bug#1024627: Acknowledgement (gitlab: Fails to instal... Kurt Roeckx
- Bug#1024627: Acknowledgement (gitlab: Fails to in... Pirate Praveen
- Bug#1024627: gitlab: Fails to install Fabien (Debian)