diff --git a/charts/labmap-chart/templates/backend-deployment.yaml b/charts/labmap-chart/templates/backend-deployment.yaml
index 2cc34b4..ff2ead5 100644
--- a/charts/labmap-chart/templates/backend-deployment.yaml
+++ b/charts/labmap-chart/templates/backend-deployment.yaml
@@ -17,3 +17,10 @@ spec:
           image: {{ .Values.backend.image }}:{{ .Values.backend.tag }}
           ports:
             - containerPort: {{ .Values.backend.port }}
+          volumeMounts:
+            - name: diagrams
+              mountPath: {{ .Values.backend.persistence.mountPath }}
+      volumes:
+        - name: diagrams
+          persistentVolumeClaim:
+            claimName: labmap-diagrams-pvc
diff --git a/charts/labmap-chart/templates/backend-pvc.yaml b/charts/labmap-chart/templates/backend-pvc.yaml
new file mode 100644
index 0000000..d80e058
--- /dev/null
+++ b/charts/labmap-chart/templates/backend-pvc.yaml
@@ -0,0 +1,11 @@
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: labmap-diagrams-pvc
+spec:
+  accessModes:
+    - {{ .Values.backend.persistence.accessMode }}
+  resources:
+    requests:
+      storage: {{ .Values.backend.persistence.storage }}
+  storageClassName: {{ .Values.backend.persistence.storageClass }}
diff --git a/charts/labmap-chart/values.yaml b/charts/labmap-chart/values.yaml
index 68307be..dc975ef 100644
--- a/charts/labmap-chart/values.yaml
+++ b/charts/labmap-chart/values.yaml
@@ -15,3 +15,10 @@ backend:
   ingress:
     enabled: false
     host: api-labmap.dvirlabs.com
+
+  persistence:
+    enabled: true
+    mountPath: /app/diagrams
+    storage: 3Gi
+    accessMode: ReadWriteOnce
+    storageClass: nfs-client  # שנה לפי הצורך שלך
diff --git a/manifests/labmap/values.yaml b/manifests/labmap/values.yaml
index f5cb690..456aa57 100644
--- a/manifests/labmap/values.yaml
+++ b/manifests/labmap/values.yaml
@@ -7,6 +7,7 @@ frontend:
     host: labmap.dvirlabs.com
   env:
     API_BASE: "https://api-labmap.dvirlabs.com"
+
 backend:
   image: harbor.dvirlabs.com/my-apps/labmap-backend
   tag: "master-53d0770"
@@ -14,3 +15,10 @@ backend:
   ingress:
     enabled: false
     host: api-labmap.dvirlabs.com
+
+  persistence:
+    enabled: true
+    mountPath: /app/diagrams
+    storage: 3Gi
+    accessMode: ReadWriteOnce
+    storageClass: nfs-client  # שנה לפי הצורך שלך