Build arm64 docker image using qemu #2040
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An attempt to build arm64 docker images.
If building arm64 binary with
make cross
on amd64 and thenCOPY
binary in Dockerfile instead of compiling then it will run very fast with qemu. qemu is fast for high-io/low-cpu tasks and can build multi-arch docker images simply usingdocker buildx build --platforms=linux/amd64,linux/arm64,etc,etc