platform-core/services/observability/loki/README.md

Loki

This root renders grafana-community/loki chart 18.7.1 as one Loki 3.7.4 monolithic StatefulSet in observability.

• The image is pinned to the reviewed amd64 digest.
• Logs use the loki AIStor bucket through loki-object-storage; no root credential is referenced.
• Retention is 30 days. The WAL and working data use the dedicated 5Gi Retain Local PV.
• Gateway, canary, caches, embedded MinIO, tests, and rule sidecars are disabled.
• The only client-facing service is ClusterIP port 3100.

Do not delete the PVC or bucket during rollback. Scale the StatefulSet down, preserve its Retain volume, and investigate S3/WAL state before reapplying.