Update increase_replicas.yaml

kustomization/overlays/prod/increase_replicas.yaml

@@ -3,4 +3,8 @@ kind: Deployment
 metadata:
   name: ims-deployment
 spec:
-  replicas: 2
+  replicas: 1
\ No newline at end of file
+  template:
+    spec:
+      nodeSelector:
+        on-master: "true"
\ No newline at end of file