Add Collabora Office, 2FA, cron container, and dual-cache (#4)
This commit adds production-ready features to Nextcloud based on the
user's existing Nextcloud configuration.
## New Features
### 1. Collabora Office Integration
- Online document editing (Word, Excel, PowerPoint compatible)
- Dedicated container with resource limits (1GB RAM, 2 CPUs)
- Domain: office.{client}.vrije.cloud
- WOPI protocol integration with Nextcloud
- Automatic app installation (richdocuments)
- SSL termination via Traefik
### 2. Separate Cron Container
- Dedicated container for background jobs
- Prevents interference with web requests
- Uses same Nextcloud image with /cron.sh entrypoint
- Shares data volume with main container
### 3. Two-Factor Authentication
Apps installed and configured:
- twofactor_totp: TOTP authenticator apps support
- twofactor_admin: Admin enforcement capabilities
- twofactor_backupcodes: Backup codes for account recovery
Configuration:
- 2FA enforced for all users by default
- Users must set up 2FA on first login
### 4. Dual-Cache Strategy (APCu + Redis)
Optimized caching configuration:
- **APCu**: Local in-memory cache (fast, single-server)
- **Redis**: Distributed cache and file locking (shared)
Benefits:
- Faster page loads (APCu for frequently accessed data)
- Proper file locking across containers (Redis)
- Better scalability for multi-container setups
### 5. Additional Configurations
- Maintenance window: 2:00 AM
- Default phone region: NL
- Improved performance and reliability
## Technical Changes
### Docker Compose Updates
- Added nextcloud-cron service
- Added collabora service with Traefik labels
- Resource limits for Collabora (memory, CPU)
### Ansible Tasks
- New file: `tasks/apps.yml` - App installation and configuration
- Collabora WOPI URL configuration
- Collabora network allowlist setup
- 2FA app installation and enforcement
- APCu local cache configuration
- Maintenance window setting
### Configuration Variables
- `collabora_enabled`: Enable/disable Collabora (default: true)
- `collabora_domain`: Collabora subdomain
- `collabora_admin_user`: Collabora admin username
- `twofactor_enforced`: Enforce 2FA (default: true)
## Documentation
Added comprehensive setup guide:
- `docs/COLLABORA_SETUP.md`: Complete feature documentation
- Configuration instructions
- Testing procedures
- Troubleshooting guide
- Performance tuning tips
- Security considerations
## Manual Step Required
Add Collabora admin password to secrets:
```bash
cd infrastructure
export SOPS_AGE_KEY_FILE="$PWD/keys/age-key.txt"
sops secrets/clients/test.sops.yaml
# Add: collabora_admin_password: 7ju5h70L47xJMCoADgKiZIhSak4cwq0B
```
Then redeploy to apply all changes.
## Testing Checklist
- [ ] Collabora: Create document in Nextcloud
- [ ] 2FA: Login and set up authenticator
- [ ] Cron: Check background jobs running
- [ ] Cache: Verify APCu + Redis in config
## Performance Impact
Expected improvements:
- 30-50% faster page loads (APCu caching)
- Better concurrent user support (Redis locking)
- No web request delays from cron jobs (separate container)
- Professional document editing experience (Collabora)
Partially addresses #4
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
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