anchor.diff:      apt-get update && apt-get install -y build-essential && \
       # https://stackoverflow.com/a/46498173
       conda update -y conda && conda update -y python && \
  -    # Tensorflow
  -    pip install tf-nightly && \
       # Vowpal Rabbit
       #apt-get install -y libboost-program-options-dev zlib1g-dev libboost-python-dev && \
       #cd /usr/lib/x86_64-linux-gnu/ && rm -f libboost_python.a && rm -f libboost_python.so && \
  
positive.code:     # MXNet
      pip install mxnet==0.11.0 && \
      # h2o
      # This requires python-software-properties and Java.
      apt-get install -y python-software-properties zip && \
      echo "deb http://ppa.launchpad.net/webupd8team/java/ubuntu precise main" | tee -a /etc/apt/sources.list &&     echo "deb-src http://ppa.launchpad.net/webupd8team/java/ubuntu precise main" | tee -a /etc/apt/sources.list &&     apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys EEA14886 C857C906 2B90D010 && \
      apt-get update && \
      echo debconf shared/accepted-oracle-license-v1-1 select true | debconf-set-selections && \
      echo debconf shared/accepted-oracle-license-v1-1 seen true | debconf-set-selections && \
      apt-get install -y oracle-java8-installer && \
      cd /usr/local/src && mkdir h2o && cd h2o && \
      wget http://h2o-release.s3.amazonaws.com/h2o/latest_stable -O latest && \
      wget --no-check-certificate -i latest -O h2o.zip && rm latest && \
  
negative.code:     rm -rf /usr/local/src/opencv && \
      rm -rf /root/.cache/pip/* && \
      apt-get autoremove -y && apt-get clean
  
  # Tensorflow source build
  RUN apt-get install -y python-software-properties zip && \
      echo "deb http://ppa.launchpad.net/webupd8team/java/ubuntu precise main" | tee -a /etc/apt/sources.list &&     echo "deb-src http://ppa.launchpad.net/webupd8team/java/ubuntu precise main" | tee -a /etc/apt/sources.list &&     apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys EEA14886 C857C906 2B90D010 && \
      apt-get update && \
      echo debconf shared/accepted-oracle-license-v1-1 select true | debconf-set-selections && \
      echo debconf shared/accepted-oracle-license-v1-1 seen true | debconf-set-selections && \
      apt-get install -y oracle-java8-installer && \
      echo "deb [arch=amd64] http://storage.googleapis.com/bazel-apt stable jdk1.8" | tee /etc/apt/sources.list.d/bazel.list && \
      curl https://bazel.build/bazel-release.pub.gpg | apt-key add - && \
      apt-get update && apt-get install -y bazel && apt-get upgrade -y bazel && \
      cd /usr/local/src && git clone https://github.com/tensorflow/tensorflow && \
      cd tensorflow && echo "\n" | ./configure && \
      bazel build --config=opt //tensorflow/tools/pip_package:build_pip_package && \
      bazel-bin/tensorflow/tools/pip_package/build_pip_package /tmp/tensorflow_pkg && \
      pip install /tmp/tensorflow_pkg/tensorflow*.whl
  
  RUN apt-get install -y libfreetype6-dev && \
      apt-get install -y libglib2.0-0 libxext6 libsm6 libxrender1 libfontconfig1 --fix-missing && \
  