feat(infrastructure): add database ref

deployment/app-demo-deployment.yaml

@@ -18,6 +18,20 @@ spec:
           name: app-demo
           ports:
             - containerPort: 8000
+          env:
+            - name: MARIADB_HOST
+              value: mariadb-repl-maxscale
+            - name: MARIADB_PORT
+              value: "3306"
+            - name: MARIADB_DATABASE
+              value: app-demo-database
+            - name: MARIADB_USER
+              value: app-demo-user
+            - name: MARIADB_PASSWORD
+              valueFrom:
+                secretKeyRef:
+                  name: app-demo-database-secret
+                  key: password
           livenessProbe:
             httpGet:
               path: /