diff --git a/apps/backup/postgresql/homeassistant/kustomization.yaml b/apps/backup/postgresql/homeassistant/kustomization.yaml
index aa3d00a..2e12767 100644
--- a/apps/backup/postgresql/homeassistant/kustomization.yaml
+++ b/apps/backup/postgresql/homeassistant/kustomization.yaml
@@ -20,7 +20,7 @@ patches:
                     env:
                       - {name: BACKUP_TARGET, value: homeassistant}
                       - {name: BACKUP_MODE, value: database}
-                      - {name: PGHOST, value: postgresql}
+                      - {name: PGHOST, value: homeassistant-cnpg-rw}
                       - name: PGUSER
                         valueFrom: {secretKeyRef: {name: homeassistant-postgresql, key: USERDB_USER}}
                       - name: PGDATABASE
diff --git a/apps/homeassistant-postgresql/cluster/kustomization.yaml b/apps/homeassistant-postgresql/cluster/kustomization.yaml
index 993fbde..bbe1c35 100644
--- a/apps/homeassistant-postgresql/cluster/kustomization.yaml
+++ b/apps/homeassistant-postgresql/cluster/kustomization.yaml
@@ -2,3 +2,4 @@ apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
   - cluster.yaml
+  - service.yaml
diff --git a/apps/homeassistant-postgresql/cluster/service.yaml b/apps/homeassistant-postgresql/cluster/service.yaml
new file mode 100644
index 0000000..364ca5b
--- /dev/null
+++ b/apps/homeassistant-postgresql/cluster/service.yaml
@@ -0,0 +1,15 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: postgresql
+  namespace: homeassistant
+spec:
+  ports:
+    - name: postgresql
+      port: 5432
+      protocol: TCP
+      targetPort: 5432
+  selector:
+    cnpg.io/cluster: homeassistant-cnpg
+    cnpg.io/instanceRole: primary
+  type: ClusterIP