anchor.diff: -FROM openjdk:8u212-jre-alpine3.9 as builder
  +FROM alpine:3.10 as builder
   
   ARG VERSION=7.12.0
   ARG DISTRO=tomcat
  
positive.code: RUN apk add --no-cache \
          bash \
          ca-certificates \
          tzdata \
          tini \
          xmlstarlet \
  
negative.code: 
  ##### FINAL IMAGE #####
  
  FROM alpine:3.10
  
  ARG VERSION=7.12.0
  
  