anchor.diff:      php -r "unlink('/tmp/composer-setup.php');"
   
   WORKDIR /var/www/html/
  -USER 1000
  +USER 1001
   
   RUN wget https://github.com/cachethq/Cachet/archive/${cachet_ver}.tar.gz && \
       tar xzvf ${cachet_ver}.tar.gz --strip-components=1 && \
  
positive.code:     php7-xml \
      php7-zip \
      php7-zlib \
      wget sqlite bash grep \
      supervisor
  
  # forward request and error logs to docker log collector
  
negative.code:     ln -sf /dev/stdout /var/log/php7/error.log && \
      ln -sf /dev/stderr /var/log/php7/error.log
  
  RUN adduser -S -s /bin/bash -u 1001 -G root www-data
  
  RUN touch /var/run/nginx.pid /var/run/php5-fpm.pid && \
      chown -R www-data:root /var/run/nginx.pid /var/run/php5-fpm.pid /etc/php7/php-fpm.d
  