FROM launcher.gcr.io/google/clang-debian9 AS build RUN apt-get update && apt-get upgrade -y && apt-get install -y \ binutils-aarch64-linux-gnu \ git \ libc6-dev-arm64-cross \ libegl1-mesa-dev \ libstdc++-6-dev-arm64-cross \ python RUN cd /opt \ && git clone 'https://chromium.googlesource.com/chromium/tools/depot_tools.git' ENV PATH="/opt/depot_tools:${PATH}"