ARG go_builder_image FROM $go_builder_image STOPSIGNAL SIGINT RUN apk add gcc musl-dev make wget --no-cache && \ mkdir /opt/cross-builder && \ wget https://musl.cc/aarch64-linux-musl-cross.tgz -O /opt/cross-builder/aarch64-musl.tgz && \ cd /opt/cross-builder && \ tar zxf aarch64-musl.tgz -C ./ && \ rm /opt/cross-builder/aarch64-musl.tgz