diff --git a/argocd/applications/basic-application.yaml b/argocd/applications/basic-application.yaml
index b78c9b5..692a875 100644
--- a/argocd/applications/basic-application.yaml
+++ b/argocd/applications/basic-application.yaml
@@ -6,7 +6,7 @@ metadata:
 spec:
   project: default
   source:
-    repoURL: https://github.com/rslim087a/argocd-kubernetes-gitops-tutorial.git
+    repoURL: https://github.com/Kundan547/argocd-kubernetes-gitops-tutorial.git
     targetRevision: HEAD
     path: gitops/basic
   destination:
diff --git a/argocd/applications/helm-application.yaml b/argocd/applications/helm-application.yaml
index 030e4d6..c59ccd8 100644
--- a/argocd/applications/helm-application.yaml
+++ b/argocd/applications/helm-application.yaml
@@ -6,7 +6,7 @@ metadata:
 spec:
   project: default
   source:
-    repoURL: https://github.com/rslim087a/argocd-kubernetes-gitops-tutorial.git
+    repoURL: https://github.com/Kundan547/argocd-kubernetes-gitops-tutorial.git
     targetRevision: HEAD
     path: helm/grade-submission
     helm:
diff --git a/argocd/applications/kustomize-application.yaml b/argocd/applications/kustomize-application.yaml
index 8350258..7220773 100644
--- a/argocd/applications/kustomize-application.yaml
+++ b/argocd/applications/kustomize-application.yaml
@@ -6,7 +6,7 @@ metadata:
 spec:
   project: default
   source:
-    repoURL: https://github.com/rslim087a/argocd-kubernetes-gitops-tutorial.git
+    repoURL: https://github.com/Kundan547/argocd-kubernetes-gitops-tutorial.git
     targetRevision: HEAD
     path: kustomize/overlays/dev
   destination:
diff --git a/argocd/applications/kustomize-application2.yaml b/argocd/applications/kustomize-application2.yaml
new file mode 100644
index 0000000..c2b3f2b
--- /dev/null
+++ b/argocd/applications/kustomize-application2.yaml
@@ -0,0 +1,20 @@
+apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+  name: grade-submission-prod
+  namespace: argocd
+spec:
+  project: default
+  source:
+    repoURL: https://github.com/Kundan547/argocd-kubernetes-gitops-tutorial.git
+    targetRevision: HEAD
+    path: kustomize/overlays/prod
+  destination:
+    server: https://kubernetes.default.svc
+    namespace: grade-demo
+  syncPolicy:
+    automated:
+      prune: true
+      selfHeal: true
+    syncOptions:
+    - CreateNamespace=true
\ No newline at end of file
diff --git a/gitops/basic/grade-submission-api-deployment.yaml b/gitops/basic/grade-submission-api-deployment.yaml
index b574939..c38ecf2 100644
--- a/gitops/basic/grade-submission-api-deployment.yaml
+++ b/gitops/basic/grade-submission-api-deployment.yaml
@@ -6,7 +6,7 @@ metadata:
   labels:
     app: grade-submission
 spec:
-  replicas: 3
+  replicas: 5
   selector:
     matchLabels:
       app: grade-submission
@@ -17,6 +17,6 @@ spec:
     spec:
       containers:
       - name: grade-submission-api
-        image: rslim087/kubernetes-course-grade-submission-api:stateless
+        image: rslim087/kubernetes-course-grade-submission-api:stateless-v4
         ports:
           - containerPort: 3000
diff --git a/helm/grade-submission/values.yaml b/helm/grade-submission/values.yaml
index 2234554..5f7994c 100644
--- a/helm/grade-submission/values.yaml
+++ b/helm/grade-submission/values.yaml
@@ -2,7 +2,7 @@ replicaCount: 2
 
 image:
   repository: rslim087/kubernetes-course-grade-submission-api
-  tag: stateless
+  tag: stateless-v4
   pullPolicy: IfNotPresent
 
 service:
@@ -16,4 +16,4 @@ resources:
     memory: 256Mi
   requests:
     cpu: 250m
-    memory: 128Mi
\ No newline at end of file
+    memory: 128Mi
diff --git a/kustomize/base/grade-submission-api-deployment.yaml b/kustomize/base/grade-submission-api-deployment.yaml
index b574939..42dae2a 100644
--- a/kustomize/base/grade-submission-api-deployment.yaml
+++ b/kustomize/base/grade-submission-api-deployment.yaml
@@ -17,6 +17,6 @@ spec:
     spec:
       containers:
       - name: grade-submission-api
-        image: rslim087/kubernetes-course-grade-submission-api:stateless
+        image: rslim087/kubernetes-course-grade-submission-api:stateless-v4
         ports:
           - containerPort: 3000
diff --git a/kustomize/overlays/dev/replicas-patch.yaml b/kustomize/overlays/dev/replicas-patch.yaml
index b056fff..41ff3d4 100644
--- a/kustomize/overlays/dev/replicas-patch.yaml
+++ b/kustomize/overlays/dev/replicas-patch.yaml
@@ -4,4 +4,4 @@ metadata:
   name: grade-submission-api
   namespace: grade-demo 
 spec:
-  replicas: 1
\ No newline at end of file
+  replicas: 5