diff --git a/deployment/postgres.yaml b/deployment/postgres.yaml
new file mode 100644
index 0000000..e874ad7
--- /dev/null
+++ b/deployment/postgres.yaml
@@ -0,0 +1,84 @@
+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  namespace: default
+  name: postgres-app
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: postgres-app
+  template:
+    metadata:
+      labels:
+        app: postgres-app
+    spec:
+      containers:
+        - name: system
+          image: repository.umisen.com/external/postgres:alpha
+          imagePullPolicy: IfNotPresent
+          command: ["/app/echo_app"]
+          - env:
+            - name: PGDATA
+              value: '/var/lib/postgresql/data/pgdata'
+            - name: POSTGRES_PASSWORD
+              value: 'Foobar123'
+          ports:
+            - containerPort: 5432
+          resources:
+            limits:
+              memory: 256Mi
+              cpu: 1
+          volumeMounts:
+            - mountPath: /var/lib/postgresql/data
+              name: postgres-data
+      volumes:
+        - name: postgres-data
+          persistentVolumeClaim:
+             claimName: postgres-pvc
+
+---
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  namespace: default
+  name: postgres-pvc
+spec:
+  accessModes: ["ReadWriteOnce"]
+  storageClassName: "postgres-storage"
+  resources:
+    requests:
+      storage: 1Gi
+
+---
+apiVersion: v1
+kind: PersistentVolume
+metadata:
+  namespace: default
+  name: postgres-pv
+spec:
+  capacity:
+    storage: 1Gi
+  accessModes:
+    - ReadWriteOnce
+  persistentVolumeReclaimPolicy: Retain
+  hostPath:
+    path: /data/postgres-app
+    type: ""
+  storageClassName: "postgres-storage"
+  volumeMode: Filesystem
+---
+apiVersion: v1
+kind: Service
+metadata:
+  namespace: default
+  name: postgres-svc
+spec:
+  selector:
+    app: postgres-app
+  type: ClusterIP
+  ports:
+    - name: postgres-tcp
+      protocol: TCP
+      port: 5432
+      targetPort: 5432
\ No newline at end of file