diff --git a/Dockerfile b/Dockerfile
index 3866c9e..f74f619 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,7 +7,7 @@ WORKDIR /go/src/github.com/wish/kcd
 RUN export GO111MODULE=on && GOOS=linux GOARCH=amd64 go build -ldflags="-w -s" -o /go/bin/kcd
 
 #Actual Image
-FROM alpine:3.13.0
+FROM alpine:3.13
 
 VOLUME /go/src
 
diff --git a/service/controller.go b/service/controller.go
index 1c1234b..c21377e 100644
--- a/service/controller.go
+++ b/service/controller.go
@@ -396,6 +396,10 @@ func (c *CVController) newKCDSyncDeployment(kcd *kcd1.KCD, version string) *apps
 	// for new stage env, it should be node.wish.com/instancegroup from environment variable NODE_SELECTOR 
 	nodeSelector := getEnv("NODE_SELECTOR", "kops.k8s.io/instancegroup")
 	glog.V(1).Info("Getting node selector label=%s", nodeSelector)
+
+	// default value: kcd
+	nodeSelectorValue := getEnv("NODE_SELECTOR_VALUE", "kcd")
+	glog.V(1).Info("Getting node selector value=%s", nodeSelectorValue)
 	
 	return &appsv1.Deployment{
 		ObjectMeta: metav1.ObjectMeta{
@@ -457,6 +461,10 @@ func (c *CVController) newKCDSyncDeployment(kcd *kcd1.KCD, version string) *apps
 									Name: "NODE_SELECTOR",
 									Value: nodeSelector,
 								},
+								{
+									Name: "NODE_SELECTOR_VALUE",
+									Value: nodeSelectorValue,
+								},
 							},
 							LivenessProbe: &corev1.Probe{
 								PeriodSeconds:       int32(livenessSeconds),
@@ -478,7 +486,7 @@ func (c *CVController) newKCDSyncDeployment(kcd *kcd1.KCD, version string) *apps
 						},
 					},
 					NodeSelector: map[string]string{
-						nodeSelector: "kcd",
+						nodeSelector: nodeSelectorValue,
 					},
 				},
 			},