Adds N2VC installation to MON Dockerfile

Signed-off-by: Benjamin Diaz <bdiaz@whitestack.com>
diff --git a/docker/MON/Dockerfile b/docker/MON/Dockerfile
index ae93274..5063135 100644
--- a/docker/MON/Dockerfile
+++ b/docker/MON/Dockerfile
@@ -36,12 +36,13 @@
 ARG REPOSITORY=testing
 
 RUN curl ${REPOSITORY_BASE}/${RELEASE}/${REPOSITORY_KEY} | apt-key add -
-RUN add-apt-repository -y "deb ${REPOSITORY_BASE}/${RELEASE} ${REPOSITORY} MON common" && apt update
+RUN add-apt-repository -y "deb ${REPOSITORY_BASE}/${RELEASE} ${REPOSITORY} MON N2VC common" && apt update
 
 ARG MON_VERSION
 ARG COMMON_VERSION
+ARG N2VC_VERSION
 
-RUN apt-get --yes update  && apt-get -y install python3-osm-common${COMMON_VERSION} python3-osm-mon${MON_VERSION}
+RUN apt-get --yes update  && apt-get -y install python3-osm-common${COMMON_VERSION} python3-osm-mon${MON_VERSION} python3-n2vc${N2VC_VERSION}
 
 COPY scripts/ scripts/