anchor.diff:  #End: install delve
   
   WORKDIR "/go/src/github.com/ctava/tfcgo/examples"
  -#CMD ["/bin/bash"]
  
positive.code:         && \
      apt-get clean && \
      rm -rf /var/lib/apt/lists/*
  
  RUN curl -fSsL -O https://bootstrap.pypa.io/get-pip.py && \
      python get-pip.py && \
      rm get-pip.py
  
  RUN pip --no-cache-dir install \
          ipykernel \
          jupyter \
          matplotlib \
          numpy \
          scipy \
          sklearn \
          pandas \
          && \
      python -m ipykernel.kernelspec
  #End: install prerequisites
  
  #Begin: install basel
  # Running bazel inside a `docker build` command causes trouble, cf:
  #   https://github.com/bazelbuild/bazel/issues/134
  # The easiest solution is to set up a bazelrc file forcing --batch.
  RUN echo "startup --batch" >>/etc/bazel.bazelrc
  # Similarly, we need to workaround sandboxing issues:
  #   https://github.com/bazelbuild/bazel/issues/418
  RUN echo "build --spawn_strategy=standalone --genrule_strategy=standalone" \
      >>/etc/bazel.bazelrc
  # Install the most recent bazel release.
  ENV BAZEL_VERSION 0.11.1
  WORKDIR /
  RUN mkdir /bazel && \
      cd /bazel && \
      curl -H "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36" -fSsL -O https://github.com/bazelbuild/bazel/releases/download/$BAZEL_VERSION/bazel-$BAZEL_VERSION-installer-linux-x86_64.sh && \
      curl -H "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36" -fSsL -o /bazel/LICENSE.txt https://raw.githubusercontent.com/bazelbuild/bazel/master/LICENSE && \
      chmod +x bazel-*.sh && \
      ./bazel-$BAZEL_VERSION-installer-linux-x86_64.sh && \
      cd / && \
      rm -f /bazel/bazel-$BAZEL_VERSION-installer-linux-x86_64.sh
  #End: install basel
  
  #Begin: Download and build TensorFlow
  RUN git clone https://github.com/tensorflow/tensorflow.git && \
      cd tensorflow && \
      git checkout r1.5
  WORKDIR /tensorflow
  
  ENV CI_BUILD_PYTHON python
  
  RUN tensorflow/tools/ci_build/builds/configured CPU \
      bazel build -c opt --cxxopt="-D_GLIBCXX_USE_CXX11_ABI=0" \
          tensorflow/tools/pip_package:build_pip_package && \
      bazel-bin/tensorflow/tools/pip_package/build_pip_package /tmp/pip && \
      pip --no-cache-dir install --upgrade /tmp/pip/tensorflow-*.whl
      #rm -rf /tmp/pip && \
      #rm -rf /root/.cache
  #End: Download and build TensorFlow
  
  #Begin: install golang
  ENV GOLANG_VERSION 1.10.1
  ENV GOLANG_DOWNLOAD_URL https://golang.org/dl/go$GOLANG_VERSION.linux-amd64.tar.gz
  ENV GOLANG_SHA256_CHECKSUM b5a64335f1490277b585832d1f6c7f8c6c11206cba5cd3f771dcb87b98ad1a33
  ENV GOPATH /go
  ENV PATH $PATH:$GOPATH/bin:/usr/local/go/bin
  RUN curl -fsSL "$GOLANG_DOWNLOAD_URL" -o golang.tar.gz && \
  
negative.code:         libzmq3-dev \
          locate \
          pkg-config \
          rsync \
          software-properties-common \
          sudo \
  