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Re:Docker's Second Death by macinjosh on Sunday December 06, 2020 @09:41PM (#25328862)
The appropriate solution for this is to put your shell code in a shell script and RUN that.
Re:Docker's Second Death by eropple on Sunday December 06, 2020 @10:12PM (#25329009)
Then you have to create a layer for sticking the shell script into the container and another to clean up after yourself.

If the Dockerfile is canonical, I should have as much as I can reasonably put into it.