diff --git a/charts/osrm-backend/Chart.yaml b/charts/osrm-backend/Chart.yaml
index de3319b..71cb3ea 100644
--- a/charts/osrm-backend/Chart.yaml
+++ b/charts/osrm-backend/Chart.yaml
@@ -2,7 +2,7 @@ apiVersion: v2
 name: osrm-backend
 description: Helm chart for Open Source Routing Machine
 type: application
-version: 0.0.2
+version: 0.0.3
 appVersion: "v5.23.0"
 keywords:
 - maps
diff --git a/charts/osrm-backend/templates/pv.yaml b/charts/osrm-backend/templates/pv.yaml
new file mode 100644
index 0000000..cecfc31
--- /dev/null
+++ b/charts/osrm-backend/templates/pv.yaml
@@ -0,0 +1,25 @@
+{{- if .Values.persistence.existingVolume.id -}}
+apiVersion: v1
+kind: PersistentVolume
+metadata:
+  name: {{ template "osrm-backend.fullname" . }}
+  annotations:
+    pv.kubernetes.io/provisioned-by: {{ .Values.persistence.existingVolume.provisioner }}
+spec:
+  accessModes:
+    {{- range .Values.persistence.accessModes }}
+    - {{ . | quote }}
+    {{- end }}
+  capacity:
+    storage: {{ .Values.persistence.size | quote}}
+  csi:
+    driver: {{ .Values.persistence.existingVolume.driver }}
+    fsType: {{ .Values.persistence.existingVolume.type }}
+    {{- with .Values.persistence.annotations  }}
+    volumeAttributes:
+{{ toYaml . | indent 6 }}
+    {{- end }}
+    volumeHandle: {{ .Values.persistence.existingVolume.id }}
+  persistentVolumeReclaimPolicy: Retain
+  storageClassName: {{ .Values.persistence.storageClassName }}
+{{- end -}}
\ No newline at end of file
diff --git a/charts/osrm-backend/templates/pvc.yaml b/charts/osrm-backend/templates/pvc.yaml
index 9f5d41d..85b9114 100755
--- a/charts/osrm-backend/templates/pvc.yaml
+++ b/charts/osrm-backend/templates/pvc.yaml
@@ -22,7 +22,11 @@ spec:
   resources:
     requests:
       storage: {{ .Values.persistence.size | quote }}
-  {{- if .Values.persistence.storageClassName }}
+  {{- if and .Values.persistence.storageClassName }}
   storageClassName: {{ .Values.persistence.storageClassName }}
-  {{- end -}}
+  {{- end }}
+  {{- if .Values.persistence.existingVolume.id }}
+  volumeName: {{ template "osrm-backend.fullname" . }}
+  {{- end }}
+
 {{- end -}}
diff --git a/charts/osrm-backend/values.yaml b/charts/osrm-backend/values.yaml
index a3865a6..23467ed 100644
--- a/charts/osrm-backend/values.yaml
+++ b/charts/osrm-backend/values.yaml
@@ -83,6 +83,11 @@ affinity: {}
 
 persistence:
   enabled: false
+  existingVolume:
+    id:
+    driver: "nas.csi.everest.io"
+    type: "nfs"
+    provisioner: "everest-csi-provisioner"
   storageClassName: ""
   accessModes: 
     - ReadWriteMany