anchor.diff:  RUN git clone https://github.com/geo-data/node-mapserv/ /usr/local/src/node-mapserv
   RUN npm config set mapserv:build_dir /usr/local/src/mapserver/build && \
       npm install /usr/local/src/node-mapserv
  +RUN npm install vows            # so that the default command works
   
   # Run the Node Mapserv tests by default
   CMD npm test mapserv
  
positive.code: # production ready images from.
  #
  
  FROM ubuntu:quantal
  
  MAINTAINER Homme Zwaagstra <hrz@geodata.soton.ac.uk>
  
  # Ensure the package repository is up to date
  RUN echo "deb http://archive.ubuntu.com/ubuntu quantal main universe" > /etc/apt/sources.list
  RUN apt-get update
  
  # Install basic dependencies
  RUN apt-get install -y software-properties-common python-software-properties python g++ make cmake wget git
  
negative.code:     ldconfig
  
  # Install Mapserver itself
  RUN git clone --depth=1 https://github.com/mapserver/mapserver/ /usr/local/src/mapserver
  RUN mkdir /usr/local/src/mapserver/build && \
      cd /usr/local/src/mapserver/build && \
      cmake ../ -DWITH_THREAD_SAFETY=1 \
  