add image name value

charts/postgres-cluster/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v2
 name: postgres-cluster
-version: 0.0.3
+version: 0.0.4
 description: Chart for cloudnative-pg cluster
 keywords:
   - database

charts/postgres-cluster/templates/postgresql-cluster.yaml

@@ -11,6 +11,7 @@ metadata:
     app.kubernetes.io/part-of: {{ .Release.Name }}
     app.kubernetes.io/managed-by: helm
 spec:
+  imageName: {{ .Values.cluster.imageName }}
   instances: {{ .Values.cluster.instances }}
   replicationSlots:
     highAvailability:

charts/postgres-cluster/values.yaml

@@ -1,5 +1,6 @@
 cluster:
   name: cl01tl
+  imageName: ghcr.io/cloudnative-pg/postgresql:16.0
   instances: 2
   parameters:
     shared_buffers: 128MB