| # Dockerfile for building Skia in release mode, using CMake. | 
 | FROM launcher.gcr.io/google/clang-debian9 AS build | 
 | RUN apt-get update && apt-get upgrade -y && apt-get install -y \ | 
 |   git \ | 
 |   python \ | 
 |   curl \ | 
 |   build-essential \ | 
 |   libfontconfig-dev \ | 
 |   libgl1-mesa-dev \ | 
 |   libglu1-mesa-dev \ | 
 |   libxi-dev \ | 
 |   && groupadd -g 2000 skia \ | 
 |   && useradd -u 2000 -g 2000 --home /workspace/__cache skia | 
 |  | 
 | RUN curl -s "https://cmake.org/files/v3.13/cmake-3.13.1-Linux-x86_64.tar.gz" | tar --strip-components=1 -xz -C /usr/local | 
 |  | 
 | RUN cd /opt \ | 
 |  && git clone 'https://chromium.googlesource.com/chromium/tools/depot_tools.git' | 
 |  | 
 | ENV PATH="/opt/depot_tools:${PATH}" |