- uptime check probes https://forge.kontain.me/api/v1/version every 60s
- alert: Forgejo is down (uptime fails 5+ min)
- alert: TLS cert expiring (<7 days remaining)
- alert: data disk >80% full (hourly disk-check.timer writes DISK_HIGH to journal; log-based metric)
- alert: container logs match panic/FATAL (cos_containers log-based metric)
- all alerts email admin_email via the existing notification channel
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
