Add deployment of postgres

workloads/nextcloud/postgres-deploy.yml

@@ -0,0 +1,57 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: postgres
+  namespace: nextcloud
+spec:
+  replicas: 1
+  strategy:
+    type: Recreate
+  selector:
+    matchLabels:
+      app: postgres
+  template:
+    metadata:
+      labels:
+        app: postgres
+    spec:
+      containers:
+        - image: postgres:12.2-alpine
+          imagePullPolicy: IfNotPresent
+          name: postgres
+          env:
+            - name: POSTGRES_USER
+              valueFrom:
+                secretKeyRef:
+                  name: postgres
+                  key: POSTGRES_USER
+            - name: POSTGRES_PASSWORD
+              valueFrom:
+                secretKeyRef:
+                  name: postgres
+                  key: POSTGRES_PASSWORD
+          resources:
+            requests:
+              memory: "128Mi"
+              cpu: "100m"
+            limits:
+              memory: "512Mi"
+              cpu: "1000m"
+          livenessProbe:
+            tcpSocket:
+              port: 5432
+            initialDelaySeconds: 15
+            periodSeconds: 30
+            timeoutSeconds: 5
+            successThreshold: 1
+            failureThreshold: 2
+          ports:
+            - containerPort: 5432
+          volumeMounts:
+            - name: postgres-data
+              mountPath: /var/lib/postgresql/data
+      volumes:
+        - name: postgres-data
+          hostPath:
+            path: /opt/nextcloud/postgres
+            type: Directory