anchor.diff:  RUN apt-get install -y haskell-platform
   
   # Postgres
  -RUN apt-get install -y postgresql postgresql-contrib libpq-dev
  +RUN apt-get install -y postgresql postgresql-client postgresql-contrib libpq-dev
   
   # Sqlite
   RUN apt-get install -y sqlite3 libsqlite3-dev
  
positive.code: #
  # # install persistent into the cabal sandbox
  # RUN cd persistent-test && cabal sandbox init && cabal install
  
negative.code: from juju2013/saucy-base
  maintainer Greg Weber
  
  RUN apt-get install -y adduser
  RUN adduser --disabled-password --gecos "persistent,666" persistent
  RUN echo "Defaults:persistent !requiretty" >> /etc/sudoers
  
  