Mattermost
An open source alternative to Slack and Microsoft Teams.
Postgres
railwayapp-templates/postgres-ssl:latest
Just deployed
/var/lib/postgresql/data
Mattermost
mattermost/platform
Just deployed
/volumes/app/mattermost
Everything is pre-configured to work out of the box. The majority of settings are handled within the app's CMS.
When visiting the app you will be prompted to create an admin user.
If you add a different domain, you just need to re-deploy the app for the changes to the environment to take effect.
Template Content
Mattermost
mattermost/platform