anchor.diff:      libjpeg-dev
   
   # Install bazel
  -    # The Following Breaks for bazel 0.17.1
  -    #
  -    # RUN 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
  -    #
  -    #
  -RUN export BAZEL_VERSION=0.16.1 && \
  -    wget https://github.com/bazelbuild/bazel/releases/download/$BAZEL_VERSION/bazel-$BAZEL_VERSION-installer-linux-x86_64.sh && \
  -    sed -i 's@sudo@, @g' bazel-$BAZEL_VERSION-installer-linux-x86_64.sh && \
  -    chmod +x bazel-$BAZEL_VERSION-installer-linux-x86_64.sh &&\
  -    ./bazel-$BAZEL_VERSION-installer-linux-x86_64.sh --user
  -
  -ENV PATH="/root/bin:${PATH}"
  +RUN 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
   
   # Install TensorFlow and other dependencies
  -# .................................
  -# sonnet's last version isn't stable yet 
  -# see https://github.com/deepmind/scalable_agent/issues/28
  -# see https://github.com/deepmind/graph_nets/issues/2
  -RUN pip install tensorflow==1.9.0 tensorflow_probability dm-sonnet==1.23
  +RUN pip install tensorflow==1.9.0 dm-sonnet
   
   # Build and install DeepMind Lab pip package.
   # We explicitly set the Numpy path as shown here:
  
positive.code: # g++ (v. 5.4) does not work: https://github.com/tensorflow/tensorflow/issues/13308
  RUN apt-get update && apt-get install -y \
      curl \
      wget \
      zip \
      unzip \
      software-properties-common \
  
negative.code: # Docker commands:
  #   docker rm scalable_agent -v
  #   docker build -t scalable_agent .
  #   docker run --name scalable_agent scalable_agent
  