anchor.diff:      && curl https://sdk.cloud.google.com | bash \
       && apt-get update && apt-get install -y \
           gcc \
  -        python-dev \
  -        python-setuptools \
  -        libffi-dev \
  -        libssl-dev \
           libpq-dev \
       && pip install gsutil
   
  
positive.code:     && apt-get install -y \
          nodejs
  
  # install database clients for debugging
  RUN echo 'deb http://apt.postgresql.org/pub/repos/apt/ jessie-pgdg main' >> /etc/apt/sources.list.d/postgresql.list \
      && wget --no-check-certificate -q https://www.postgresql.org/media/keys/ACCC4CF8.asc -O- | apt-key add - \
      && apt-get update && apt-get install -y \
          postgresql \
          postgresql-client \
  
negative.code: FROM debian:stretch
  
  MAINTAINER MacArthur Lab
  
  