1FROM ubuntu:22.04 2 3RUN apt-get update && apt-get install -y --no-install-recommends \ 4 gcc make libc6-dev git curl ca-certificates \ 5 gcc-arm-linux-gnueabihf qemu-user 6 7COPY install-musl.sh / 8RUN sh /install-musl.sh arm 9 10ENV PATH=$PATH:/musl-arm/bin:/rust/bin \ 11 CC_arm_unknown_linux_musleabihf=musl-gcc \ 12 CARGO_TARGET_ARM_UNKNOWN_LINUX_MUSLEABIHF_LINKER=musl-gcc \ 13 CARGO_TARGET_ARM_UNKNOWN_LINUX_MUSLEABIHF_RUNNER="qemu-arm -L /musl-arm" \ 14 RUSTFLAGS="-L /musl-arm/lib" 15