Github user iemejia commented on the issue:
https://github.com/apache/flink/pull/2239
Thanks Greg, I was probably too tired last night because I put the wait in
a weird place, I just tried now and everything is working, it is still not
'real' foreground, since Ctrl-C gets captured by the wait, but it fixes the
issue for the docker image so I am going to close this pull request and the
issue.
If you or anybody else is still interested I will keep it, but I am going
to close it if you don't mind.
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