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homelab/k8s/infra/databases/authentik-db.yaml
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# Dedicated CNPG Postgres for Authentik (GitOps, wave 2 — before authentik w3).
# CNPG generates secret `authentik-db-app` + service `authentik-db-rw` in ns iam;
# authentik-values reads them locally (no cross-ns secret copy).
apiVersion: postgresql.cnpg.io/v1
kind: Cluster
metadata:
name: authentik-db
namespace: iam
annotations:
argocd.argoproj.io/sync-options: SkipDryRunOnMissingResource=true
spec:
instances: 3
imageName: ghcr.io/cloudnative-pg/postgresql:16.2
bootstrap:
initdb:
database: authentik
owner: app
encoding: UTF8
localeCollate: C
localeCType: C
enableSuperuserAccess: false
resources:
requests: { memory: "512Mi", cpu: "250m" }
limits: { memory: "2Gi", cpu: "1" }
storage:
size: 10Gi
storageClass: longhorn-cnpg
monitoring:
enablePodMonitor: true
affinity:
# preferred + tolerations: HA across nodes without deadlocking a partly-
# schedulable 3-CP (same as forgejo-db).
podAntiAffinityType: preferred
topologyKey: kubernetes.io/hostname
tolerations:
- key: node-role.kubernetes.io/control-plane
operator: Exists
effect: NoSchedule