anchor.diff:      | tar xzC /usr/local/bin
   
   # Install EasyDAV dependencies
  -RUN pip install kid flup
  +RUN apt-get update && \
  +  apt-get install -y python-kid python-flup && \
  +  apt-get clean
   
   # Install EasyDAV
   COPY easydav_fix-archive-download.patch /tmp/
  
positive.code: RUN useradd -m researcher -s /bin/bash && \
      gpasswd -a researcher sudo && \
      passwd -d researcher && passwd -u researcher && \
      rm ~researcher/.bashrc ~researcher/.bash_logout ~researcher/.profile
  
  RUN chown -R researcher /var/log/easydav /var/log/supervisor
  
  
negative.code:   echo "deb-src http://nginx.org/packages/debian/ jessie nginx" >> /etc/apt/sources.list
  
  # Install
  # - sudo and passwd for creating user/giving sudo
  # - supervisord for monitoring
  # - nginx for reverse-proxying
  # - patching dependencies
  RUN apt-get update && apt-get install -y \
      sudo passwd \
      supervisor \
      nginx \
      vim nano curl wget tmux screen bash-completion man tar zip unzip \
      patch && \
    apt-get clean
  
  
  # Install Git
  RUN apt-get update && apt-get install -y git && apt-get clean
  
  # Install gotty
  RUN VERSION=v0.0.12 && \
  