diff --git a/values_helmChart__backup.yaml b/values_helmChart__backup.yaml
index a6c0fc6..f12f379 100644
--- a/values_helmChart__backup.yaml
+++ b/values_helmChart__backup.yaml
@@ -17,3 +17,15 @@ nodeport:
 
 ingress:
   domain: tuxnet.lan
+
+
+# k8s affinity for node binding
+affinity: {}
+#  nodeAffinity:
+#    requiredDuringSchedulingIgnoredDuringExecution:
+#      nodeSelectorTerms:
+#      - matchExpressions:
+#        - key: disktype
+#          operator: In
+#          values:
+#          - ssd