ARG IMAGE=registry.gitlab.com/brndnmtthws-oss/conky FROM ${IMAGE}/builder/ubuntu-base:latest RUN wget -q https://apt.llvm.org/llvm-snapshot.gpg.key \ && apt-key add llvm-snapshot.gpg.key \ && add-apt-repository ppa:ubuntu-toolchain-r/test \ && DEBIAN_FRONTEND=noninteractive \ apt-get install -qy --no-install-recommends \ g++-8 \ && apt-get clean \ && rm -rf /var/lib/apt/lists/*