add app, add nfs operator

App/kubernetes/deploy.yaml

@@ -25,3 +25,62 @@ spec:
           imagePullPolicy: Always
           ports:
           - containerPort: 80
+---
+
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  namespace: myapp
+  labels:
+    app: myapp-psql
+  name: myapp-psql
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: myapp-psql
+  strategy:
+    type: Recreate
+  template:
+    metadata:
+      labels:
+        app: myapp-psql
+    spec:
+      hostname: myapp-psql-pod
+      restartPolicy: Always
+      containers:
+        - name: myapp-db
+          image: postgres:12-alpine
+          imagePullPolicy: IfNotPresent
+          env:
+          - name: POSTGRES_USER
+            valueFrom:
+              secretKeyRef:
+                name: myapp-psql-secret
+                key: postgress-user
+          - name: POSTGRES_PASSWORD
+            valueFrom:
+              secretKeyRef:
+                name: myapp-psql-secret
+                key: postgress-password
+          - name: POSTGRES_DB
+            valueFrom:
+              secretKeyRef:
+                name: myapp-psql-secret
+                key: postgress-dbname
+          volumeMounts:
+            - name: vol-myapp-postgres
+              mountPath: /var/lib/postgresql/data
+              subPath: data
+            - name: pgsql-tmpfs
+              mountPath: /run
+            - name: pgsql-tmpfs
+              mountPath: /tmp
+
+      volumes:
+        - name: vol-myapp-postgres
+          persistentVolumeClaim:
+            claimName: myapp-db-pvc
+        - name: pgsql-tmpfs
+          emptyDir:
+            medium: Memory

App/kubernetes/secrets.yaml

@@ -0,0 +1,10 @@
+apiVersion: v1
+kind: Secret
+metadata:
+  name: myapp-psql-secret
+  namespace: myapp
+data:
+  postgress-user: cmVzdHVzZXI=
+  postgress-password: dkVIQ1ZuN0NndXdGd0ViZXQySEMxQQ==
+  postgress-dbname: cmVzdGRi
+---

App/kubernetes/service.yaml

@@ -11,3 +11,16 @@ spec:
   selector:
     app: myapp
 ---
+
+apiVersion: v1
+kind: Service
+metadata:
+  name: app-postgress-service
+spec:
+  type: NodePort
+  ports:
+    - name: myapp-postgress-port
+      port: 5432
+  selector:
+    app: myapp-psql
+---

App/kubernetes/volume.yaml

@@ -0,0 +1,13 @@
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: myapp-db-pvc
+  namespace: myapp
+spec:
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: 2Gi
+  storageClassName: nfs-client
+---