diff --git a/values_helmChart__primary.yaml b/values_helmChart__primary.yaml
index df5fc4b..4b8dedd 100644
--- a/values_helmChart__primary.yaml
+++ b/values_helmChart__primary.yaml
@@ -14,3 +14,14 @@ application:
 
 ingress:
   domain: tuxnet.lan
+
+# k8s affinity for node binding
+affinity: {}
+#  nodeAffinity:
+#    requiredDuringSchedulingIgnoredDuringExecution:
+#      nodeSelectorTerms:
+#      - matchExpressions:
+#        - key: disktype
+#          operator: In
+#          values:
+#          - ssd
\ No newline at end of file