anchor.diff:  # Required basic stuff, make, gcc, wget etc
   RUN apt-get update
   RUN apt-get install -y gcc g++
  -RUN apt-get install -y python
  +RUN apt-get install -y python-dev
   RUN apt-get install -y make tabix
   RUN apt-get install -y git-core wget unzip
   RUN apt-get install -y zlib1g-dev libncurses5-dev
  
positive.code: # from our repository
  #------------------------------------------------------------------------
  
  
  # Base image will be Trusty
  FROM ubuntu:trusty
  
negative.code: # + GATK (see licence, and registration) 
  # use ADD to copy the downloaded GATK binary from <buildcontext_path>/GenomeAnalysisTK-3.1-1.tar.bz2 to the /tmp dir in the container
  # NOTE: ADD automatically unpacks compressed files
  ADD GenomeAnalysisTK-3.1-1.tar.bz2 /usr/local/pipeline/GenomeAnalysisTK-3.1-1 
  RUN chmod -R 755 /usr/local/pipeline/GenomeAnalysisTK-3.1-1 \
      && chown -R pipeman:ngsgroup /usr/local/pipeline/GenomeAnalysisTK-3.1-1 \
      && sed -i '$aCLASSPATH=.:${CLASSPATH}:/usr/local/pipeline/GenomeAnalysisTK-3.1-1/GenomeAnalysisTK.jar' /home/pipeman/.bashrc
  
  # + BEDtools
  RUN cd /usr/local/pipeline \
  