anchor.diff:      SMTP_PORT= \
       SMTP_USER= \
       SMTP_PASS= \
  -    SMTP_FROM= \
  -    LD_PRELOAD=/lib/stack-fix.so
  +    SMTP_FROM=
   
   COPY build.sh /
   RUN /build.sh
  
positive.code: FROM alpine:3.6
  
  WORKDIR /var/www
  
  
negative.code: 
  RUN apk add --no-cache --virtual .persistent bash ca-certificates curl git msmtp nano python tar unzip wget xz
  
  ENV PHP_VERSION=7.1.12 \
      NGINX_VERSION=1.13.8 \
      NODE_VERSION=8.9.4 \
      SUPERVISOR_VERSION=3.3.3 \
      ENABLE_CRON=Off \
      PHP_DISPLAY_ERRORS=Off \
  