anchor.diff:          && add-apt-repository -y ppa:chris-lea/node.js \
           && apt-get -y update \
           && apt-get -y install python-django-tagging python-simplejson python-memcache python-ldap python-cairo python-pysqlite2 python-support \
  -            python-pip gunicorn supervisor nginx-light nodejs git wget curl openjdk-7-jre build-essential python-dev \
  +            python-pip gunicorn supervisor nginx-light git wget curl openjdk-7-jre build-essential python-dev libffi-dev \
           && apt-get autoclean \
           && apt-get clean \
           && apt-get autoremove
  
positive.code: ENV GRAPHITE_VERSION=1.0.1 \
      STATS_VERSION=v0.8.0 \
      DJANGO_VERSION=1.11.2 \
      TWISTED_VERSION=17.1.0 \
      GRAFANA_VERSION=4.3.2
  
  RUN     pip install Twisted==$TWISTED_VERSION \
          && pip install Django==$DJANGO_VERSION \
          && pip install pytz
          
  RUN     npm install ini chokidar        
  
  # Checkout the stable branches of Graphite, Carbon and Whisper and install from there
  # Install StatsD
  
negative.code:         && cd /src/whisper \
          && git checkout $GRAPHITE_VERSION \
          && python setup.py install
          
  RUN     git clone https://github.com/graphite-project/carbon.git /src/carbon \
          && cd /src/carbon \
          && git checkout $GRAPHITE_VERSION \
          && python setup.py install
          
  RUN     git clone https://github.com/graphite-project/graphite-web.git /src/graphite-web \
          && cd /src/graphite-web \
          && git checkout $GRAPHITE_VERSION \
          && python setup.py install \
          && pip install -r requirements.txt \
          && python check-dependencies.py
          
  RUN     git clone https://github.com/etsy/statsd.git /src/statsd \
          && cd /src/statsd \
          && git checkout $STATSD_VERSION
          
  RUN     mkdir /src/grafana \
          && mkdir /opt/grafana \
          && wget https://s3-us-west-2.amazonaws.com/grafana-releases/release/grafana-${GRAFANA_VERSION}.linux-x64.tar.gz -O /src/grafana.tar.gz \
  