refer to [Zookeeper latest 3.5.5 Dockerfile](https://github.com/31z4/zookeeper-docker/blob/c978f835bc33509324b51cb210c8c5c9934c38ff/3.5.5/Dockerfile)
@@ -7,4 +7,4 @@ VOLUME /datalog
EXPOSE 2181
-CMD ["zookeeper"]
+CMD ["zkServer.sh", "start-foreground"]