Update Dockerfile for redhat scan (#57)

Dockerfile

@@ -1,3 +1,4 @@
+ARG TAG=0.1.3
 FROM golang as build-env
 ARG TAG
 
@@ -6,6 +7,18 @@ COPY . .
 RUN make TAG=$TAG GOMOD="-mod=vendor" build
 
 FROM registry.access.redhat.com/ubi7/ubi-minimal:latest AS final
+ARG TAG
+
+LABEL name="datadog/operator"
+LABEL vendor="Datadog Inc."
+LABEL version=$TAG
+LABEL release=$TAG
+LABEL summary="The Datadog Operator aims at providing a new way to deploy the Datadog Agent on Kubernetes"
+LABEL description="Datadog provides a modern monitoring and analytics platform. Gather \
+      metrics, logs and traces for full observability of your Kubernetes cluster with \
+      Datadog Operator."
+
+RUN mkdir -p /licences
 
 ENV OPERATOR=/usr/local/bin/datadog-operator \
     USER_UID=1001 \
@@ -14,9 +27,13 @@ ENV OPERATOR=/usr/local/bin/datadog-operator \
 # install operator binary
 COPY --from=build-env /src/controller ${OPERATOR}
 
+COPY ./LICENSE /licenses/LICENSE
+COPY ./LICENSE-3rdparty.csv /licenses/LICENSE-3rdparty
+RUN chmod -R 755 /licences
+
 COPY --from=build-env /src/build/bin /usr/local/bin
 RUN  /usr/local/bin/user_setup
 
 ENTRYPOINT ["/usr/local/bin/entrypoint"]
 
-USER ${USER_UID}
+USER ${USER_UID}