Add cloudnativepg application and priority class configuration

applications/templates/cloudnativepg.yaml

@@ -0,0 +1,66 @@
+apiVersion: scheduling.k8s.io/v1
+kind: PriorityClass
+metadata:
+  name: homelab-critical
+value: 500000000
+globalDefault: false
+description: "Priority class for critical Homelab pods"
+---
+apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+  name: cloudnativepg
+  namespace: argocd
+  finalizers:
+  - resources-finalizer.argocd.argoproj.io
+spec:
+  destination:
+    namespace: cnpg-system
+    server: {{ .Values.spec.destination.server }}
+  project: default
+  syncPolicy:
+    automated:
+      prune: false
+      selfHeal: true
+  source:
+    path: cnpg
+    repoURL: https://cloudnative-pg.github.io/charts
+    targetRevision: 0.23.2
+    helm:
+      valuesObject:
+        monitoring:
+          podMonitorEnabled: true
+          grafanaDashboard:
+            create: true
+        priorityClassName: homelab-critical
+        resources:
+          requests:
+            cpu: 50m
+            memory: 100Mi
+---
+apiVersion: postgresql.cnpg.io/v1
+kind: Cluster
+metadata:
+  name: pg-cluster
+spec:
+  instances: 2
+  resources:
+    requests:
+      memory: 128Mi
+      cpu: 100m
+    limits:
+      memory: 1Gi
+      cpu: 1
+  postgresql:
+    parameters:
+      max_connections: "200"
+      shared_buffers: "64MB"
+      effective_cache_size: "96MB"
+      maintenance_work_mem: "8MB"
+      wal_buffers: "2MB"
+      random_page_cost: "1.1"
+      effective_io_concurrency: "300"
+      work_mem: "1MB"
+  storage:
+    size: 50Gi
+    storageClass: local-path