anchor.diff:  FROM node:8.11.1-alpine
   LABEL maintainer="Marco Mornati <marco@mornati.net>"
   
  -ENV GHOST_VERSION="1.22.3"                   \
  +ENV GHOST_VERSION="1.22.5"                   \
       GHOST_INSTALL="/var/lib/ghost"           \
       GHOST_CONTENT="/var/lib/ghost/content"   \
       GHOST_USER="node"                        \
  
positive.code:     TZ="Etc/UTC"                             \
      NODE_ENV="production"
  
  RUN set -eux                              && \
      apk update                            && \
      apk add --no-cache tzdata             && \
      rm -rf /var/cache/apk/*
  
  # Install Ghost
  
negative.code: 
  FROM node:8.11.1-alpine as ghost-builder
  
  ENV GHOST_VERSION="1.22.5"                  \
      GHOST_INSTALL="/var/lib/ghost"          \
      GHOST_CONTENT="/var/lib/ghost/content"  \
      GHOST_USER="node"                                           
  