anchor.diff:  ENV PHP_POST_MAX_SIZE 10M
   COPY apache/fix_acl.sh /usr/local/bin/
   
  -RUN export GNUPGHOME="$(mktemp -d)" \
  -        && gpg --no-default-keyring --keyring /etc/apt/trusted.gpg.d/ondrej-ppa.gpg --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys 14AA40EC0831756756D7F66C4F4EA0AAE5267A6C \
  -	&& chmod 544 /etc/apt/trusted.gpg.d/ondrej-ppa.gpg \
  -        && rm -fr "$GNUPGHOME" && unset GNUPGHOME \
  -	&& echo "deb http://ppa.launchpad.net/ondrej/php/ubuntu xenial main" > /etc/apt/sources.list.d/ondrej-ppa.list \
  -	&& echo "deb-src http://ppa.launchpad.net/ondrej/php/ubuntu xenial main" >> /etc/apt/sources.list.d/ondrej-ppa.list \
  -	&& apt-get update && apt-get install -y --no-install-recommends \
  +RUN apt-get update && apt-get install -y --no-install-recommends \
   	apache2 libapache2-mod-php7.2 php7.2-mysqli php7.2-mbstring php7.2-xml php7.2-gd php7.2-bz2 php7.2-zip php7.2-curl php7.2-opcache php7.2-json php-apcu \
   	&& echo "ServerName localhost" >> /etc/apache2/apache2.conf \
   	&& a2enmod rewrite \
   	&& chmod +x /usr/local/bin/fix_acl.sh \
   	# installation cleanup
   	&& apt-get clean \
  -	&& rm -fr /var/lib/apt/lists/* /tmp/* /var/tmp/* /etc/apt/trusted.gpg.d/ondrej-ppa.gpg /etc/apt/sources.list.d/ondrej-ppa.list
  +	&& rm -fr /var/lib/apt/lists/* /tmp/* /var/tmp/*
   # Add volumes for Apache2 + PHP
   VOLUME ["/var/www", "/etc/apache2", "/etc/php/" ]
   
   # Install phpmyadmin
  -ENV PHP_MY_ADMIN_VERSION 4.7.7
  +ENV PHP_MY_ADMIN_VERSION 4.8.3
   ENV PHP_MY_ADMIN_HOME /opt/phpmyadmin
   COPY phpmyadmin/configure_phpmyadmin.sh /usr/local/bin
   RUN apt-get update && apt-get install -y --no-install-recommends \
  
positive.code:         && curl -k -fSL "https://files.phpmyadmin.net/phpMyAdmin/${PHP_MY_ADMIN_VERSION}/phpMyAdmin-${PHP_MY_ADMIN_VERSION}-all-languages.tar.gz" -o /opt/phpmyadmin.tar.gz \
          && curl -k -fSL "https://files.phpmyadmin.net/phpMyAdmin/${PHP_MY_ADMIN_VERSION}/phpMyAdmin-${PHP_MY_ADMIN_VERSION}-all-languages.tar.gz.asc" -o /opt/phpmyadmin.tar.gz.asc \
          && export GNUPGHOME="$(mktemp -d)" \
          && gpg --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys 3D06A59ECE730EB71B511C17CE752F178259BD92 \
          && gpg --batch --verify /opt/phpmyadmin.tar.gz.asc /opt/phpmyadmin.tar.gz \
          && rm -r "$GNUPGHOME" && unset GNUPGHOME \
  	&& tar xzf /opt/phpmyadmin.tar.gz -C /opt \
  
negative.code: 
  
  # grab tini for signal processing and zombie killing
  ENV TINI_VERSION v0.18.0
  RUN apt-get update && apt-get install -y --no-install-recommends \
  	curl gpg dirmngr \
  	&& curl -k -fSL "https://github.com/krallin/tini/releases/download/$TINI_VERSION/tini" -o /usr/local/bin/tini \
  	&& curl -k -fSL "https://github.com/krallin/tini/releases/download/$TINI_VERSION/tini.asc" -o /usr/local/bin/tini.asc \
  	&& export GNUPGHOME="$(mktemp -d)" \ 
  	&& for server in $(shuf -e ha.pool.sks-keyservers.net \
                              hkp://p80.pool.sks-keyservers.net:80 \
                              keyserver.ubuntu.com \
                              hkp://keyserver.ubuntu.com:80 \
                              pgp.mit.edu) ; do \
          gpg --keyserver "$server" --recv-keys  595E85A6B1B4779EA4DAAEC70B588DFF0527A9B7 && break || : ; \
      done \
  	&& gpg --batch --verify /usr/local/bin/tini.asc /usr/local/bin/tini \
  	&& rm -r "$GNUPGHOME" /usr/local/bin/tini.asc && unset GNUPGHOME \
  	&& chmod +x /usr/local/bin/tini \
  