anchor.diff:  # DOCKER-VERSION 1.0
  -FROM dit4c/dit4c-container-base:withroot
  +FROM dit4c/dit4c-container-base:withroot-gotty
   MAINTAINER t.dettrick@uq.edu.au
   
   # Install
  
positive.code: 
  # Because COPY doesn't respect USER...
  USER root
  RUN chown -R researcher:researcher /etc /opt /var /home/researcher
  
  # Check nginx config is OK
  RUN nginx -t
  
negative.code: # - Xvfb for Python modules requiring X11
  # - GhostScript & ImageMagick for image manipulation
  RUN rpm --rebuilddb && yum install -y \
    tar gcc-c++ gcc python34-devel \
    blas-devel lapack-devel \
    libpng-devel freetype-devel \
    hdf5-devel \
  