mts: workaround to trigger os automatically to create a new pod

Signed-off-by: Chenxiong Qi <cqi@redhat.com>

roles/openshift-apps/message-tagging-service/templates/deploymentconfig.yml

@@ -19,6 +19,13 @@ spec:
       containers:
       - name: mts
         image:  docker-registry.default.svc:5000/message-tagging-service/message-tagging-service:latest
+        env:
+        # Please do remember to increase this config version after any config
+        # file content is updated.
+        # This is a workaround to trigger Openshift automatically to create a
+        # new pod.
+        - name: MTS_CONFIG_VERSION
+          value: 1
         ports:
         - containerPort: 8080
         volumeMounts: