anchor.diff:      ca-certificates \
       postgresql-client-$PG_MAJOR \
       mysql-client \
  -    nginx \
  +    nginx=${NGINX_VERSION} \
       php5-fpm php5-curl \
       php5-readline php5-mcrypt sudo \
       php5-mysql php5-apcu php5-cli \
  
positive.code: ENV cachet_ver master
  
  ENV PG_MAJOR 9.5
  
  RUN apt-key adv --keyserver ha.pool.sks-keyservers.net --recv-keys B97B0AFCAA1A47F044F244A07FCC7D46ACCC4CF8
  
  RUN echo 'deb http://apt.postgresql.org/pub/repos/apt/ jessie-pgdg main' $PG_MAJOR > /etc/apt/sources.list.d/pgdg.list
  
  # Using debian packages instead of compiling from scratch
  
negative.code: 
  COPY conf/php-fpm-pool.conf /etc/php5/fpm/pool.d/www.conf
  COPY conf/supervisord.conf /etc/supervisor/supervisord.conf
  COPY conf/nginx-site.conf /etc/nginx/conf.d/default.conf
  
  RUN echo "daemon off;" >> /etc/nginx/nginx.conf
  RUN mkdir -p /var/www/html && \
  