diff --git a/k8s/backend-deployment.yaml b/k8s/backend-deployment.yaml
index 29bf950..2a251dd 100644
--- a/k8s/backend-deployment.yaml
+++ b/k8s/backend-deployment.yaml
@@ -18,12 +18,14 @@ spec:
           image: in.gohorsejobs.com/gohorsejobs/gohorsejobs-backend:latest
           imagePullPolicy: Always
           ports:
-            - containerPort: 3000
+            - containerPort: 8521
           env:
             - name: NODE_ENV
               value: "production"
+            - name: PORT
+              value: "8521"
           envFrom:
             - secretRef:
                 name: backend-secrets
       imagePullSecrets:
-        - name: harbor-registry
\ No newline at end of file
+        - name: harbor-registry
diff --git a/k8s/backend-service.yaml b/k8s/backend-service.yaml
index 0b833c0..080faff 100644
--- a/k8s/backend-service.yaml
+++ b/k8s/backend-service.yaml
@@ -8,6 +8,6 @@ spec:
     app: gohorse-backend
   ports:
     - name: http
-      port: 3000
-      targetPort: 3000
+      port: 8521
+      targetPort: 8521
   type: ClusterIP