add source code and readme

manifests/infrastructure/postgresql/operator.yaml

@@ -0,0 +1,56 @@
+---
+apiVersion: helm.toolkit.fluxcd.io/v2
+kind: HelmRelease
+metadata:
+  name: cloudnative-pg
+  namespace: postgresql-system
+spec:
+  interval: 5m
+  chart:
+    spec:
+      chart: cloudnative-pg
+      version: ">=0.20.0"
+      sourceRef:
+        kind: HelmRepository
+        name: cnpg-repo
+        namespace: postgresql-system
+      interval: 1m
+  values:
+    # Operator configuration
+    operator:
+      resources:
+        requests:
+          cpu: 100m
+          memory: 200Mi
+        limits:
+          cpu: 500m
+          memory: 500Mi
+    
+    # Enable webhook for better cluster management
+    webhook:
+      enabled: true
+      resources:
+        requests:
+          cpu: 50m
+          memory: 100Mi
+        limits:
+          cpu: 200m
+          memory: 200Mi
+      # Fix webhook certificate trust issue via cert-manager CA injection
+      validatingWebhookConfiguration:
+        annotations:
+          cert-manager.io/inject-apiserver-ca: "true"
+      mutatingWebhookConfiguration:
+        annotations:
+          cert-manager.io/inject-apiserver-ca: "true"
+    
+    # Monitoring configuration (for future OpenObserve integration)
+    monitoring:
+      enabled: true
+      createPodMonitor: true
+    
+    # Allow scheduling on control plane nodes
+    tolerations:
+    - effect: NoSchedule
+      key: node-role.kubernetes.io/control-plane
+      operator: Exists