docs: note binfmt/QEMU requirement for docker run --platform - #7158
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docs: note binfmt/QEMU requirement for docker run --platform#7158locker95 wants to merge 1 commit into
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--platform can pull a foreign arch image and still fail with exec format error on Linux Engine if qemu-user binfmt handlers are missing. Fixes docker#3701 Signed-off-by: Dean Chen <862469039@qq.com>
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On a stock Linux Engine, `docker run --platform linux/arm64 …` can pull fine and then die with exec format error if binfmt/QEMU isn't installed. Desktop hides that.
Added a short --platform section that calls that out.
Fixes #3701