content: # Create a virtual environment with all tools installed
  # ref: https://hub.docker.com/r/opensuse/leap
  FROM opensuse/leap AS env
  
  #############
  ##  SETUP  ##
  #############
  ENV PATH=/usr/local/bin:$PATH
  RUN zypper refresh \
  && zypper install -y git gcc11 gcc11-c++ cmake \
   wget which lsb-release util-linux pkgconfig autoconf libtool gzip zlib-devel \
  && zypper clean -a
  ENV CC=gcc-11 CXX=g++-11
  ENTRYPOINT ["/usr/bin/bash", "-c"]
  CMD ["/usr/bin/bash"]
  
  # Install SWIG
  RUN zypper refresh \
  && zypper install -y swig \
  && zypper clean -a
  
  # Install .Net
  RUN zypper refresh \
  && zypper install -y wget tar gzip libicu-devel
  # see: https://learn.microsoft.com/en-us/dotnet/core/install/linux-scripted-manual#scripted-install
  RUN wget -q "https://dot.net/v1/dotnet-install.sh" \
  && chmod a+x dotnet-install.sh \
  && ./dotnet-install.sh -c 8.0 -i /usr/local/bin
  # Trigger first run experience by running arbitrary cmd
  RUN dotnet --info
  
  # Install Java (openjdk-8)
  RUN zypper install -y java-1_8_0-openjdk java-1_8_0-openjdk-devel maven \
  && zypper clean -a
  
  # Install Python
  RUN zypper install -y python311-devel python311-pip \
  && zypper clean -a
  RUN python3.11 -m pip install absl-py mypy mypy-protobuf
  
  ################
  ##  OR-TOOLS  ##
  ################
  FROM env AS devel
  WORKDIR /root
  # Copy the snk key
  COPY or-tools.snk /root/or-tools.snk
  ENV DOTNET_SNK=/root/or-tools.snk
  
  ARG SRC_GIT_BRANCH
  ENV SRC_GIT_BRANCH ${SRC_GIT_BRANCH:-main}
  ARG SRC_GIT_SHA1
  ENV SRC_GIT_SHA1 ${SRC_GIT_SHA1:-unknown}
  
  ARG OR_TOOLS_PATCH
  ENV OR_TOOLS_PATCH ${OR_TOOLS_PATCH:-9999}
  
  # Download sources
  # use SRC_GIT_SHA1 to modify the command
  # i.e. avoid docker reusing the cache when new commit is pushed
  RUN git clone -b "${SRC_GIT_BRANCH}" --single-branch --depth=1 https://github.com/google/or-tools \
  && [[ $(cd or-tools && git rev-parse --verify HEAD) == ${SRC_GIT_SHA1} ]]
  WORKDIR /root/or-tools
  
  # C++
  ## build
  FROM devel AS cpp_build
  RUN make detect_cpp \
  && make cpp JOBS=8
  ## archive
  FROM cpp_build AS cpp_archive
  RUN make archive_cpp
  
  # .Net
  ## build
  FROM cpp_build AS dotnet_build
  RUN make detect_dotnet \
  && make dotnet JOBS=8
  ## archive
  FROM dotnet_build AS dotnet_archive
  RUN make archive_dotnet
  
  # Java
  ## build
  FROM cpp_build AS java_build
  RUN make detect_java \
  && make java JOBS=8
  ## archive
  FROM java_build AS java_archive
  RUN make archive_java
  
  # Python
  ## build
  FROM cpp_build AS python_build
  RUN make detect_python \
  && make python JOBS=8
  ## archive
  FROM python_build AS python_archive
  RUN make archive_python
  