Backup & Restore Guide

TODO: Complete backup and restore procedures.

Topics to Cover

Backup strategy
- What to backup
- Backup frequency
- Retention policies
Database backups
- Redmine PostgreSQL
- Headscale SQLite
- FreeIPA directory
Volume backups
- PVC snapshots
- Application data
Configuration backups
- Terraform state
- Kubernetes manifests
- Secrets and ConfigMaps
Restore procedures
- Database restoration
- Volume restoration
- Service recovery
Disaster recovery planning
Automated backup scripts