content: FROM ortools/cmake:ubuntu_swig AS env
  
  ENV PATH=/root/.local/bin:$PATH
  RUN apt-get update -qq \
  && DEBIAN_FRONTEND=noninteractive apt-get install -yq \
   python3-dev python3-pip \
   python3-setuptools python3-wheel \
   python3-venv python3-virtualenv \
   python3-numpy python3-pandas \
  && apt-get clean \
  && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
  RUN python3 -m pip install --break-system-package \
   absl-py mypy mypy-protobuf typing-extensions
  
  FROM env AS devel
  WORKDIR /home/project
  COPY . .
  
  FROM devel AS build
  RUN cmake -S. -Bbuild -DBUILD_PYTHON=ON -DBUILD_CXX_SAMPLES=OFF -DBUILD_CXX_EXAMPLES=OFF
  RUN cmake --build build --target all -v
  RUN cmake --build build --target install
  
  FROM build AS test
  RUN CTEST_OUTPUT_ON_FAILURE=1 cmake --build build --target test
  
  FROM env AS install_env
  WORKDIR /home/sample
  COPY --from=build /home/project/build/python/dist/*.whl .
  RUN python3 -m pip install --break-system-packages *.whl
  
  FROM install_env AS install_devel
  COPY cmake/samples/python .
  
  FROM install_devel AS install_build
  RUN python3 -m compileall .
  
  FROM install_build AS install_test
  RUN python3 sample.py
  