diff --git a/xos-services/vtn-service/templates/deployment.yaml b/xos-services/vtn-service/templates/deployment.yaml
index d75808b..2b8c37f 100644
--- a/xos-services/vtn-service/templates/deployment.yaml
+++ b/xos-services/vtn-service/templates/deployment.yaml
@@ -39,16 +39,17 @@
     spec:
       containers:
         - name: {{ .Chart.Name }}
-          image: "{{ .Values.pull_docker_registry }}{{ .Values.image.repository }}:{{ .Values.image.tag }}"
-          imagePullPolicy: {{ .Values.image.pullPolicy }}
+          image: {{ .Values.vtn_synchronizerImage | quote }}
+          imagePullPolicy: {{ .Values.imagePullPolicy }}
           resources:
 {{ toYaml .Values.resources | indent 12 }}
           volumeMounts:
             - name: vtn-config
               mountPath: /opt/xos/synchronizers/vtn/vtn_config.yaml
               subPath: vtn_config.yaml
-            - name: cert-chain-secret
-              mountPath: /usr/local/share/ca-certificates
+            - name: certchain-volume
+              mountPath: /usr/local/share/ca-certificates/local_certs.crt
+              subPath: config/ca_cert_chain.pem
       volumes:
         - name: vtn-config
           configMap:
@@ -56,9 +57,12 @@
             items:
               - key: serviceConfig
                 path: vtn_config.yaml
-        - name: cert-chain-secret
-          secret:
-            secretName: cert-chain-secret
+        - name: certchain-volume
+          configMap:
+            name: ca-certificates
+            items:
+              - key: chain
+                path: config/ca_cert_chain.pem
     {{- with .Values.nodeSelector }}
       nodeSelector:
 {{ toYaml . | indent 8 }}