anchor.diff:  ENV CACHE_PREFIX=/var/cache
   
   RUN set -x \
  -  && addgroup -g 82 -S www-data \
  +  #&& addgroup -g 82 -S www-data \
     && adduser -u 82 -D -S -h /var/cache/php-fpm -s /sbin/nologin -G www-data www-data \
     && apk add --no-cache --virtual .build-deps \
         wget \
         linux-headers \
         curl \
         unzip \
  -  && echo "@community http://dl-cdn.alpinelinux.org/alpine/v${ALPINE_VERSION}/community" >> /etc/apk/repositories \
  +  && echo "@community http://dl-cdn.alpinelinux.org/alpine/edge/community" >> /etc/apk/repositories \
     && apk add --no-cache --update \
         php7@community \
         php7-dev@community \
  
positive.code:       php7-simplexml@community \
        php7-zip@community \
        php7-zlib@community \
        mysql-client\
        curl \
        monit \
  
negative.code: ARG ALPINE_VERSION=3.14
  FROM alpine:${ALPINE_VERSION}
  LABEL maintainer="Thomas Spicer (thomas@openbridge.com)"
  ARG ALPINE_VERSION
  