Github user liyinan926 commented on the issue:
https://github.com/apache/spark/pull/20154
@vanzin it seems using `ARG` in `FROM` is only supported since Docker
version 17.06. It does not work for earlier versions of Docker. See
https://stackoverflow.com/questions/40273070/docker-build-arg-in-source-file. I
think we should revert the `base_image` arg.
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