Added Mattermost stack to the docker-compose infrastructure:
- **Mattermost stack** (mattermost.pivoine.art):
- Team collaboration and chat platform
- PostgreSQL backend for message persistence
- Email notifications via IONOS SMTP
- Support for channels, direct messages, and integrations
- Mobile and desktop app support
- Full Traefik integration with SSL termination
Infrastructure updates:
- Updated PostgreSQL init script to create mattermost database
- Added environment variables to arty.yml for Mattermost configuration
- Updated compose.yaml include list
- Configured email settings for notifications and invitations
This will replace Gotify as the primary notification and messaging platform.
All services integrated with Traefik for SSL termination and include
Watchtower auto-update labels.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
Sebastian Krüger
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