# Redis (RomM Cache / Queue)

Redis 7 provides the caching and task queue backend for RomM on Dankserver. RomM 5.2.0 requires Redis (or Valkey) for its task queue.

**Host:** Dankserver — **Docs:** https://redis.io/docs/

## Facts

| Item | Value |
|------|-------|
| Image | `docker.io/redis:7-alpine` |
| Port | 6379 (internal, within `appnet`) |
| Data volume | `/opt/romm/redis` |
| Auth | None (local-only, no password needed) |

## Docker Compose

```yaml
redis:
  image: docker.io/redis:7-alpine
  container_name: romm-redis
  restart: unless-stopped
  volumes:
    - /opt/romm/redis:/data
  healthcheck:
    test: ["CMD", "redis-cli", "ping"]
    interval: 10s
    timeout: 5s
    retries: 3
```

## Backup

```bash
sudo rsync -a /opt/romm/redis /mnt/backup/romm-redis/
```

## See Also

- [[RomM]] — service that uses this cache