# Systemd Services — Nexus Autoparts

All production services are managed via systemd. Files are versioned in `systemd/`.

## Services

| Service | Description | Status |
|---------|-------------|--------|
| `nexus-pos.service` | Gunicorn POS (Flask), port 5001 | Active |
| `nexus.service` | Dashboard (Flask), port 5000 | Active |
| `nexus-quart.service` | Hypercorn async catalog, port 5002 | Active |
| `nexus-celery.service` | Celery worker (4 prefork) | Active |
| `nexus-mv-refresh.timer` | Daily MV refresh at 03:00 UTC | Active |
| `nexus-cache-warm.timer` | Daily Redis cache warming at 04:00 UTC | Active |

## Commands

```bash
# Reload all
systemctl daemon-reload

# Restart POS
systemctl restart nexus-pos.service

# View logs
journalctl -u nexus-pos.service -f
```

## Installation

```bash
sudo cp systemd/*.service systemd/*.timer /etc/systemd/system/
systemctl daemon-reload
systemctl enable --now nexus-pos.service nexus-cache-warm.timer
```