CORD-421 added standard label schema to the image builds

Change-Id: Ie2110ac722bdca9f2b07ae21fe9e56a0a3066585
diff --git a/harvester/Dockerfile b/harvester/Dockerfile
index d29598a..18bac9d 100644
--- a/harvester/Dockerfile
+++ b/harvester/Dockerfile
@@ -17,4 +17,11 @@
 RUN apk update && apk add bind
 
 ADD dhcpharvester.py /dhcpharvester.py
+
+LABEL org.label-schema.name="harvester" \
+      org.label-schema.description="Provides DHCP havesting and insertion into DNS" \
+      org.label-schema.vcs-url="https://gerrit.opencord.org/maas" \
+      org.label-schema.vendor="Open Networking Labratory" \
+      org.label-schema.schema-version="1.0"
+
 ENTRYPOINT [ "python", "/dhcpharvester.py" ]