Adding entrypoint to production build

Author: David Zuckerman

Dockerfile

@@ -53,3 +53,6 @@ COPY --from=development --chown=bfs /usr/local/bundle /usr/local/bundle
 WORKDIR /opt/app
 RUN bundle config set frozen 'true'
 RUN bundle install --local
+
+ENTRYPOINT ["/opt/app/bin/bfs"]
+CMD ["help"]