1FROM debian:latest 2 3# A directory to share files via. 4RUN mkdir /shared 5 6RUN apt-get update 7RUN apt-get install -y gcc-arm-linux-gnueabi binutils-arm-linux-gnueabi 8RUN apt-get install -y gcc-aarch64-linux-gnu binutils-aarch64-linux-gnu 9 10# create a builder user 11RUN echo "builder:x:1000:1000:,,,:/home/builder:/bin/bash" >> /etc/passwd 12RUN echo "builder:*:19289:0:99999:7:::" >> /etc/shadow 13RUN mkdir -p /home/builder && chown builder.bin /home/builder 14