diff --git a/chart/values.yaml b/chart/values.yaml
index 3a105ef..e9866ae 100644
--- a/chart/values.yaml
+++ b/chart/values.yaml
@@ -5,17 +5,5 @@ tools:
   hashicorp-vault: {}
   crowdsec: {}
   redis: {}
-  clickhouse:
-    patches:
-      - target:
-          kind: StatefulSet
-          name: clickhouse
-        patch: |-
-          - op: add
-            path: /spec/template/spec/containers/0/volumeMounts/-
-            value:
-              name: config-volume
-              mountPath: /etc/clickhouse-server/users.d/custom-users.xml
-              subPath: custom-users.xml
-              readOnly: true
+  'clickhouse/overlays': {}
   grafana: {}
\ No newline at end of file
diff --git a/clickhouse/overlays/kustomization.yaml b/clickhouse/overlays/kustomization.yaml
new file mode 100644
index 0000000..7b9b2a9
--- /dev/null
+++ b/clickhouse/overlays/kustomization.yaml
@@ -0,0 +1,8 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+resources:
+  - ../../  # remonte vers le chart ClickHouse (Chart.yaml)
+
+patchesStrategicMerge:
+  - patch-volumeMount.yaml
diff --git a/clickhouse/overlays/patch-volumeMount.yaml b/clickhouse/overlays/patch-volumeMount.yaml
new file mode 100644
index 0000000..5ea7d07
--- /dev/null
+++ b/clickhouse/overlays/patch-volumeMount.yaml
@@ -0,0 +1,14 @@
+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  name: clickhouse
+spec:
+  template:
+    spec:
+      containers:
+        - name: clickhouse
+          volumeMounts:
+            - name: config-volume
+              mountPath: /etc/clickhouse-server/users.d/custom-users.xml
+              subPath: custom-users.xml
+              readOnly: true