Ullrich Schäfer 3b6aede461 Fix error-rate-high alert firing on no data ... The alert was firing with DatasourceNoData because zero 5xx responses means the numerator returns empty (not 0). Fixed by: - Adding `or vector(0)` so zero 5xx returns 0% instead of empty - Setting `noDataState: OK` as a safety net Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>		2026-03-29 22:20:14 +02:00
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alerting	Fix error-rate-high alert firing on no data	2026-03-29 22:20:14 +02:00
dashboards	Add observability: health endpoints, structured logging, metrics, Grafana stack	2026-03-26 22:59:44 +01:00
datasources	Add PostgreSQL datasource to Grafana with read-only user	2026-03-27 20:07:27 +01:00