# Disaster Recovery & Backup Resources

This directory contains all Kubernetes resources related to disaster recovery and backup operations for Gravl.

## Files

### `postgres-backup-cronjob.yaml`
Defines automated daily backup CronJob for PostgreSQL database.

**Components:**
- PostgreSQL Backup ServiceAccount
- RBAC ClusterRole and ClusterRoleBinding  
- Daily Backup CronJob (runs at 02:00 UTC)
- Weekly Backup Test CronJob (runs at 03:00 UTC on Sundays)

**Key Features:**
- Automated daily full backups of gravl database
- Gzip compression (level 6)
- Upload to S3 with encryption (AES256)
- Backup manifest generation with checksums
- Automatic retry on failure (up to 3 attempts)
- 1-hour timeout for backup operations

**Deployment:**
```bash
kubectl apply -f postgres-backup-cronjob.yaml
```

## Manual Backup Scripts

All scripts are in `/workspace/gravl/scripts/`:

- **backup.sh** - Perform manual full database backup to S3
- **restore.sh** - Restore database from S3 backup
- **test-restore.sh** - Automated backup restore testing
- **failover.sh** - Initiate failover to secondary region
- **failback.sh** - Failback to primary region

## Monitoring & Alerts

- **Prometheus Rules:** ../monitoring/prometheus-rules-dr.yaml
- **Grafana Dashboard:** ../monitoring/dashboards/gravl-disaster-recovery.json

## Documentation

See `/workspace/gravl/docs/DISASTER_RECOVERY.md` for comprehensive documentation including:
- RTO/RPO strategy
- Backup architecture
- Restore procedures
- Multi-region failover design
- Runbooks for disaster scenarios