Self-hosting: Mattermost

Another fabulous collaboration with GleSYS (glesys.com/)! We install Mattermost, a self-hostable, open source alternative to your Slacks and your Teamses.
Check GleSYS for your cloud needs in the nordics :)
Links for the stuff covered:
Install instructions for Mattermost binary: docs.mattermos...
Requirements: docs.mattermos...
Caddy documentation for Ubuntu: caddyserver.co...
Mattermost Administration: docs.mattermos...