anchor.diff:      jupyter nbextensions_configurator enable
   
   # Add custom configuration
  -COPY config/jupyter_notebook_config.py config/jupyter_notebook_config.json /root/.jupyter/
  +COPY config/jupyter_notebook_config.py config/jupyter_notebook_config.json /home/$NB_USER/.jupyter/
   
   # Create folder
   WORKDIR "/work"
   
   COPY start.sh /tmp/start.sh
   
  -ENV USR_ID 0
  -ENV GRP_ID 0
  -
   # Start Notebook
  -CMD /tmp/start.sh
  +CMD jupyter notebook
  
positive.code: # Install requirements into current environment .
  RUN conda env update -f /tmp/requirements.yml && \
      conda remove _nb_ext_conf && \
      rm -rf /root/.cache/pip/*
  
  # Enable Jupyter Notebook extensions
  RUN jupyter contrib nbextension install
  
  # Enable some expecific extensions
  RUN jupyter nbextension enable collapsible_headings/main && \
  
negative.code:     apt-get clean && \
      rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
  
  ENV CONDA_DIR /opt/conda
  ENV PATH $CONDA_DIR/bin:$PATH
  ENV NB_USER local
  ENV NB_UID 1000
  
  # Create local user with UID=1000 and in the 'users' group
  RUN useradd -m -s /bin/bash -N -u $NB_UID $NB_USER && \
      mkdir -p $CONDA_DIR && \
      chown $NB_USER $CONDA_DIR
  
  USER $NB_USER
  
  # Setup local home directory
  RUN mkdir /home/$NB_USER/work && \
      mkdir /home/$NB_USER/.jupyter
  
  # Install and update Miniconda
  # RUN echo 'export PATH=/opt/conda/bin:$PATH' > /etc/profile.d/conda.sh && \
  RUN wget --quiet http://repo.continuum.io/miniconda/Miniconda3-latest-Linux-x86_64.sh -O ~/miniconda.sh && \
      /bin/bash ~/miniconda.sh -f -b -p $CONDA_DIR && \
      rm ~/miniconda.sh
  
  # Install Anaconda
  RUN conda install --quiet --yes conda conda-env && \
  