anchor.diff:  
   # avoid interactive dialoges from apt:
   ENV DEBIAN_FRONTEND noninteractive
  +
  +# Repositories
  +RUN echo 'deb http://http.debian.net/debian wheezy-backports main' > /etc/apt/sources.list.d/wheezy-backports.list
  +RUN apt-get update -q
   
   # Install prereqs
   RUN apt-get update && apt-get --no-install-recommends -y install \
  
positive.code:   erlang-nox \
    git \
    libicu-dev \
    libmozjs185-dev
  RUN apt-get --no-install-recommends -y install \
    erlang-reltool
  
negative.code: USER root
  RUN mkdir -p /opt/couchdb
  RUN chown -R couchdb.couchdb /opt/couchdb
  RUN npm install -g grunt-cli
  USER couchdb
  RUN make install
  RUN git log > /opt/couchdb/.git.log
  