anchor.diff:  RUN sed -i 's/main/main contrib non-free/' /etc/apt/sources.list
   
   # Basic packages
  -RUN \
  -    DEBIAN_FRONTEND=noninteractive apt-get update \
  -    && DEBIAN_FRONTEND=noninteractive apt-get -y --force-yes --no-install-recommends install \
  +RUN DEBIAN_FRONTEND=noninteractive apt-get update && \
  +    DEBIAN_FRONTEND=noninteractive apt-get -y --force-yes --no-install-recommends install \
       curl \
       wget \
       zip \
  
positive.code:     mc \
      supervisor \
      # Cleanup
      && DEBIAN_FRONTEND=noninteractive apt-get clean \
      && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
  
  # Set timezone and locale.
  RUN dpkg-reconfigure locales && \
  
negative.code: ENV LC_ALL C.UTF-8
  
  # Add Dotdeb PHP5.6 repo
  RUN curl -sSL http://www.dotdeb.org/dotdeb.gpg | apt-key add - && \
      echo 'deb http://packages.dotdeb.org wheezy-php56 all' > /etc/apt/sources.list.d/dotdeb.list && \
      echo 'deb-src http://packages.dotdeb.org wheezy-php56 all' >> /etc/apt/sources.list.d/dotdeb.list
  
  # PHP packages
  RUN DEBIAN_FRONTEND=noninteractive apt-get update && \
      DEBIAN_FRONTEND=noninteractive apt-get -y --force-yes --no-install-recommends install \
      php5-common \
      php5-cli \
      php-pear \
  