Cross build rust on macOS

musl-cargo-macos.sh

#!/bin/sh

export DOCKER_HOST="YOUR_DOCKER_ENDPOINT:2375"

docker volume create data-volume
docker run -d -v data-volume:/data --name helper ubuntu sleep 1000000
tar --exclude=./target -c -v -f - . | docker exec -i helper bash -c 'tar -x -v --strip-components 1 -f - -C /data'
docker kill helper
docker rm helper
docker run -v data-volume:/home/rust/src --name cargo messense/rust-musl-cross:x86_64-musl cargo "$@"
docker cp cargo:/home/rust/src/target/x86_64-unknown-linux-musl ./target
docker rm cargo
docker volume remove data-volume