# kube-prometheus-stack — apply before Helm (omit --create-namespace on install). # prometheus-node-exporter uses hostNetwork, hostPID, and hostPath (/proc, /sys, /) — incompatible # with PSA "baseline"; use "privileged" (same idea as longhorn-system / metallb-system). apiVersion: v1 kind: Namespace metadata: name: monitoring labels: pod-security.kubernetes.io/enforce: privileged pod-security.kubernetes.io/audit: privileged pod-security.kubernetes.io/warn: privileged