anchor.diff:  
   MAINTAINER Trurl McByte "trurl@mcbyte.net"
   
  -ENV NGINX_VERSION=1.12.0 \
  +ENV NGINX_VERSION=1.12.1 \
       SOURCE_DIR=/usr/src
   
   ENV GPG_KEYS B0F4253373F8F6F510D42178520A9993A1C052F8
  
positive.code:     && apk add --virtual .nginx-rundeps $runDeps \
      && apk del .build-deps \
      && rm -rf /usr/src/* \
      && apk add --no-cache gettext \
      \
      # forward request and error logs to docker log collector
      && ln -sf /dev/stdout /var/log/nginx/access.log \
      && ln -sf /dev/stderr /var/log/nginx/error.log
  
negative.code:     --with-cc-opt='-O2' \
      "
  
  RUN addgroup -S nginx \
      && adduser -D -S -h /var/cache/nginx -s /sbin/nologin -G nginx nginx \
      && apk add --no-cache \
          openssl \
          apr \
          apr-util \
          ca-certificates \
  