add labels

Change-Id: I92bf32ad9e63abe8c4ffdb72b6df06ddd438a3c5
diff --git a/xos/synchronizer/Dockerfile.synchronizer b/xos/synchronizer/Dockerfile.synchronizer
index 7785df4..2d619a4 100644
--- a/xos/synchronizer/Dockerfile.synchronizer
+++ b/xos/synchronizer/Dockerfile.synchronizer
@@ -1,13 +1,29 @@
 FROM xosproject/xos-synchronizer-base:candidate
 
-ADD . /opt/xos/synchronizers/vtn
+COPY . /opt/xos/synchronizers/vtn
 
-ADD __init__.py /opt/xos/services/__init__.py
-ADD __init__.py /opt/xos/services/vtn/__init__.py
-ADD vtnnetport.py /opt/xos/services/vtn/vtnnetport.py
+COPY __init__.py /opt/xos/services/__init__.py
+COPY __init__.py vtnnetport.py /opt/xos/services/vtn/
 
 ENTRYPOINT []
 
 WORKDIR "/opt/xos/synchronizers/vtn"
 
+# Label image
+ARG org_label_schema_schema_version=1.0
+ARG org_label_schema_name=vtn-synchronizer
+ARG org_label_schema_version=unknown
+ARG org_label_schema_vcs_url=unknown
+ARG org_label_schema_vcs_ref=unknown
+ARG org_label_schema_build_date=unknown
+ARG org_opencord_vcs_commit_date=unknown
+
+LABEL org.label-schema.schema-version=$org_label_schema_schema_version \
+      org.label-schema.name=$org_label_schema_name \
+      org.label-schema.version=$org_label_schema_version \
+      org.label-schema.vcs-url=$org_label_schema_vcs_url \
+      org.label-schema.vcs-ref=$org_label_schema_vcs_ref \
+      org.label-schema.build-date=$org_label_schema_build_date \
+      org.opencord.vcs-commit-date=$org_opencord_vcs_commit_date
+
 CMD bash -c "cd /opt/xos/synchronizers/vtn; ./run-from-api.sh"