anchor.diff:  
   FROM base
   
  +RUN set -ex ;\
  +    apt-get update ;\
  +    apt-get install -y --no-install-recommends \
  +        libfcgi-bin ;\
  +    curl -so /usr/local/bin/php-fpm-healthcheck https://raw.githubusercontent.com/renatomefi/php-fpm-healthcheck/a2d45de918787f761754b96b94a59f4f6acebc25/php-fpm-healthcheck ;\
  +    chmod +x /usr/local/bin/php-fpm-healthcheck ; \
  +    apt-get clean
  +
  +HEALTHCHECK --interval=5s --timeout=1s \
  +    CMD FCGI_CONNECT=localhost:9001 php-fpm-healthcheck --listen-queue=10 || exit 1
  +
   COPY . /var/www/athorrent
   
   COPY --from=composer-build /build/vendor /var/www/athorrent/vendor
  
positive.code: RUN set -ex ;\
      apt-get update ;\
      apt-get install -y \
          unzip
  
  COPY --from=composer:latest /usr/bin/composer /usr/bin/composer
  
  
negative.code:     apt-get update ;\
      apt-get install -y --no-install-recommends \
          libicu-dev ;\
      docker-php-ext-install -j $(nproc) bcmath intl opcache pdo_mysql sockets ;\
      apt-get clean
  
  RUN set -ex ;\
      pecl install apcu ;\
  