1FROM launcher.gcr.io/google/clang-debian9 AS build 2 3RUN apt-get update && apt-get upgrade -y && apt-get install -y \ 4 binutils-aarch64-linux-gnu \ 5 git \ 6 libc6-dev-arm64-cross \ 7 libegl1-mesa-dev \ 8 libstdc++-6-dev-arm64-cross \ 9 python 10 11RUN cd /opt \ 12 && git clone 'https://chromium.googlesource.com/chromium/tools/depot_tools.git' 13 14ENV PATH="/opt/depot_tools:${PATH}" 15