templates/service-headless.yaml を追加

templates/service-headless.yaml

@@ -0,0 +1,16 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "postgresql.fullname" . }}-headless
+  labels:
+    {{- include "postgresql.labels" . | nindent 4 }}
+spec:
+  type: ClusterIP
+  clusterIP: None
+  ports:
+    - port: {{ .Values.service.port }}
+      targetPort: postgres
+      protocol: TCP
+      name: postgres
+  selector:
+    {{- include "postgresql.selectorLabels" . | nindent 4 }}