nicknezis commented on a change in pull request #3669:
URL: https://github.com/apache/incubator-heron/pull/3669#discussion_r563331830



##########
File path: docker/dist/Dockerfile.dist.centos7
##########
@@ -34,14 +34,15 @@ RUN yum -y install epel-release \
 
 ENV JAVA_HOME /usr/
 
-ADD artifacts /heron
+# run Heron installer
+RUN --mount=type=bind,source=artifacts,target=/tmp/heron 
/tmp/heron/heron-install.sh && \
+    rm /usr/local/heron/dist/heron-core.tar.gz && \
+    rm -rf /opt/heron/heron-core/lib/scheduler/heron-local-scheduler.jar && \
+    rm -rf /opt/heron/heron-core/lib/scheduler/heron-mesos-scheduler.jar && \
+    rm -rf /opt/heron/heron-core/lib/scheduler/heron-slurm-scheduler.jar

Review comment:
       Yes I agree. I saw the lines in one of the Dockerfiles and made them 
consistent. But I don't know if I like this. It assumes the container if only 
used for Kubernetes. I'm not sure if that will always be the case. I can remove 
these `rm` statements.




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