FROM --platform=linux/amd64 ubuntu:20.04 ARG DEBIAN_FRONTEND=noninteractive ARG USERNAME=devuser ARG UID=1000 ARG TZ="Etc/UTC" RUN echo "$TZ" > /etc/timezone RUN dpkg --add-architecture i386 \ && apt-get update \ && apt-get upgrade -y \ && apt-get install -y \ wget git python3 python-is-python3 python3-pip \ libc6-i386 make \ build-essential cmake gcc-arm-none-eabi RUN pip3 install pycryptodomex configobj toml fdt RUN useradd -m -s /bin/bash -u "${UID}" ${USERNAME} COPY build_target_platforms.sh /build_target_platforms.sh RUN chmod 775 /build_target_platforms.sh ENV OPENBK7231T_APP_NAME="OpenBK7231T_App" RUN mkdir -p /${OpenBK7231T_App} && chown ${USERNAME} /${OpenBK7231T_App} USER ${USERNAME} CMD ["/build_target_platforms.sh"]