Run python 3 outside of a virtualenv for OpenAI gym image rendering to work

Dockerfile

@@ -1,20 +1,60 @@
 FROM andrewosh/binder-base
 
 USER root
-RUN apt-get update
-RUN apt-get install -y python-numpy python-dev cmake zlib1g-dev libjpeg-dev xvfb libav-tools xorg-dev python-opengl libboost-all-dev libsdl2-dev swig
+
+# Extra packages needs for OpenAI gym
+RUN apt-get update -y &&\
+    apt-get install --fix-missing -y \
+        cmake\
+        libav-tools\
+        libboost-all-dev\
+        libjpeg-dev\
+        libsdl2-dev\
+        python-dev\
+        python-numpy\
+        python-opengl\
+        python-pip\
+        python3-dev\
+        python3-numpy\
+        python3-opengl\
+        python3-pip\
+        swig\
+        xorg-dev\
+        xvfb\
+        zlib1g-dev &&\
+    apt-get clean &&\
+    rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*tmp
 
 USER main
 
-# Python 2
-RUN conda install -c jjhelmus tensorflow=0.10.0
+# Add nbextensions to Jupyter and activate the Table of Contents
 RUN conda install -c conda-forge jupyter_contrib_nbextensions
 RUN jupyter contrib nbextension install --user
 RUN jupyter nbextension enable toc2/main
-RUN pip install --upgrade gym
-RUN pip install --upgrade 'gym[atari]'
 
-# Python 3
-RUN conda install -n python3 -c jjhelmus tensorflow=0.10.0
-RUN /bin/bash -c "source activate python3 && pip install --upgrade gym"
-RUN /bin/bash -c "source activate python3 && pip install --upgrade 'gym[atari]'"
+# Use upgraded pip
+RUN pip install --upgrade --user pip wheel
+RUN pip3 install --upgrade --user pip wheel
+ENV PATH /home/main/.local/bin:$PATH
+
+# Install scientific packages
+RUN pip install --upgrade --user matplotlib numexpr numpy pandas Pillow protobuf psutil scipy scikit-learn sympy
+RUN pip3 install --upgrade --user matplotlib numexpr numpy pandas Pillow protobuf psutil scipy scikit-learn sympy
+
+# Install TensorFlow
+RUN pip install --upgrade --user https://storage.googleapis.com/tensorflow/linux/cpu/tensorflow-0.11.0rc0-cp27-none-linux_x86_64.whl
+RUN pip3 install --upgrade --user https://storage.googleapis.com/tensorflow/linux/cpu/tensorflow-0.11.0rc0-cp34-cp34m-linux_x86_64.whl
+
+# Install OpenAI gym
+RUN pip install --upgrade --user gym
+RUN pip3 install --upgrade --user gym
+RUN pip install --upgrade --user "gym[atari]"
+RUN pip3 install --upgrade --user "gym[atari]"
+
+# Replace the default script to start Jupyter with xvfb-run so that OpenAI gym
+# can render some of the environments (eg. CartPole-v0) without crashing when
+# it tries to access the display on a headless server.
+ADD start-notebook.sh /home/main/
+
+RUN ipython2 kernel install --user
+RUN ipython3 kernel install --user