Added Joplin Server deployment at joplin.pivoine.art:
**Joplin stack** (joplin.pivoine.art):
- joplin: Note-taking server with multi-device sync
- PostgreSQL backend for data persistence
- End-to-end encryption support
- Compatible with official Joplin clients (desktop, mobile, CLI)
- Markdown-based notes with attachments
Infrastructure updates:
- Added joplin database to PostgreSQL init script
- Updated compose.yaml to include joplin stack
- Added JOPLIN_* environment variables to arty.yml
- Added joplin-backup plan to restic (13th backup plan)
- Updated restic/compose.yaml with joplin_data volume mount
- Updated README.md and CLAUDE.md documentation
All services integrated with Traefik for SSL termination and include
Watchtower auto-update labels. Daily backups scheduled for 2 AM with
7 daily, 4 weekly, 6 monthly, and 2 yearly retention.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>