feat: add postgresql

cluster/apps/data/postgresql/helm-release.yaml

@@ -0,0 +1,36 @@
+---
+apiVersion: helm.toolkit.fluxcd.io/v2beta1
+kind: HelmRelease
+metadata:
+  name: postgresql-ha
+  namespace: data
+spec:
+  interval: 5m
+  chart:
+    spec:
+      # renovate: registryUrl=https://charts.bitnami.com/bitnami/
+      chart: postgresql
+      version: 10.3.18
+      sourceRef:
+        kind: HelmRepository
+        name: bitnami-charts
+        namespace: flux-system
+      interval: 5m
+  values:
+    image:
+      registry: docker.io
+      repository: bitnami/postgresql
+      tag: 13.2.0
+      pullPolicy: IfNotPresent
+    postgresql:
+      ## PostgreSQL configuration parameters
+      ##
+      username: postgres
+      password: ${SECRET_POSTGRESQL_POSTGRES_PASSWORD}
+      # database:
+
+    ## Persistence parameters
+    ##
+    persistence:
+      enabled: true
+      existingClaim: postgresql

cluster/apps/data/postgresql/kustomization.yaml

@@ -0,0 +1,5 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+  - helm-release.yaml
+  - volume.yaml

cluster/apps/data/postgresql/volume.yaml

@@ -0,0 +1,15 @@
+---
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: postgresql
+  namespace: data
+  labels:
+    kasten-io/snapshots: "enable"
+spec:
+  accessModes:
+    - ReadWriteOnce
+  storageClassName: rook-ceph-block
+  resources:
+    requests:
+      storage: 50Gi