anchor.diff:  
   # use ansible to create our dockerfile, see http://www.ansible.com/2014/02/12/installing-and-building-docker-with-ansible
   RUN apt-get -y update ;\
  -    apt-get install -y python-yaml python-jinja2 git wget sudo;\
  +    apt-get install -y curl python-yaml python-jinja2 git wget sudo;\
       git clone http://github.com/ansible/ansible.git /tmp/ansible
   WORKDIR /tmp/ansible
   # get a specific version of ansible , add sudo to seqware, create a working directory
  
positive.code: #RUN curl -sSL https://get.docker.com/ | sh
  # Add non-root access to docker
  #RUN sudo gpasswd -a seqware docker
  
  USER seqware
  CMD ["/bin/bash", "/start.sh"]
  
negative.code: ENV PATH /tmp/ansible/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
  ENV ANSIBLE_LIBRARY /tmp/ansible/library
  ENV PYTHONPATH /tmp/ansible/lib:$PYTHON_PATH
  
  # setup seqware 
  WORKDIR /root 
  RUN git clone https://github.com/SeqWare/seqware-bag.git
  