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Run chmod on the executables and the entrypoint when copying them to the
docker in dockerfile.
Signed-off-by: Andrew Thornton <art27@cantab.net>
Co-authored-by: 6543 <6543@obermui.de>
Co-authored-by: Norwin <noerw@users.noreply.github.com>
Co-authored-by: delvh <dev.lh@web.de>