1FROM debian:testing 2 3ENV DEBIAN_FRONTEND noninteractive 4RUN echo 'deb-src http://deb.debian.org/debian testing main' >> /etc/apt/sources.list && \ 5 apt-get update && \ 6 apt-get upgrade -y && \ 7 apt-get install -y libc6-dev binutils libgcc-7-dev && \ 8 apt-get autoremove -y 9 10 11ENV OUT=/out 12ENV SRC=/src 13ENV WORK=/work 14ENV PATH="$PATH:/out" 15 16RUN mkdir -p $OUT $SRC $WORK && chmod a+rwx $OUT $SRC $WORK 17