anchor.diff:  RUN mkdir -p /var/log/tower
   
   # Download & extract Tower tarball
  -ADD http://releases.ansible.com/awx/setup/ansible-tower-setup-${ANSIBLE_TOWER_VER}.tar.gz ansible-tower-setup-${ANSIBLE_TOWER_VER}.tar.gz
  +ADD http://releases.ansible.com/ansible-tower/setup/ansible-tower-setup-${ANSIBLE_TOWER_VER}.tar.gz ansible-tower-setup-${ANSIBLE_TOWER_VER}.tar.gz
   RUN tar xvf ansible-tower-setup-${ANSIBLE_TOWER_VER}.tar.gz \
       && rm -f ansible-tower-setup-${ANSIBLE_TOWER_VER}.tar.gz
   
  
positive.code: # Use python >= 2.7.9
  RUN apt-get install -y software-properties-common \
  	&& apt-add-repository -y ppa:fkrull/deadsnakes-python2.7 \
  	&& apt-get update
  
  # Install libpython2.7; missing dependency in Tower setup
  RUN apt-get install -y libpython2.7
  
  
negative.code: # Ansible Tower Dockerfie
  FROM ubuntu:trusty
  
  LABEL maintainer mittell@gmail.com, reuben.stump@gmail.com, ybaltouski@gmail.com 
  
  WORKDIR /opt
  
  ENV ANSIBLE_TOWER_VER 3.2.1
  ENV PG_DATA /var/lib/postgresql/9.4/main
  
  RUN apt-get update
  