1FROM ubuntu:22.04 2RUN apt-get update && apt-get install -y --no-install-recommends \ 3 gcc libc6-dev ca-certificates \ 4 gcc-aarch64-linux-gnu libc6-dev-arm64-cross qemu-user 5ENV CARGO_TARGET_AARCH64_UNKNOWN_LINUX_GNU_LINKER=aarch64-linux-gnu-gcc \ 6 CARGO_TARGET_AARCH64_UNKNOWN_LINUX_GNU_RUNNER="qemu-aarch64 -L /usr/aarch64-linux-gnu" \ 7 PATH=$PATH:/rust/bin 8