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