FROM ubuntu:16.04 WORKDIR /ardupilot RUN useradd -U -d /ardupilot ardupilot && \ usermod -G users ardupilot RUN DEBIAN_FRONTEND=noninteractive apt-get update && apt-get install --no-install-recommends -y \ lsb-release \ sudo \ software-properties-common \ python-software-properties && \ apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* ENV USER=ardupilot ADD . /ardupilot RUN chown -R ardupilot:ardupilot /ardupilot && \ bash -c "Tools/environment_install/install-prereqs-ubuntu.sh -y && apt-get install gcc-arm-none-eabi -y" && \ apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* USER ardupilot ENV CCACHE_MAXSIZE=1G ENV PATH /usr/lib/ccache:/ardupilot/Tools:${PATH}