anchor.diff:  
   EXPOSE 8080
   
  -CMD ["/crxdl"]
  +CMD ["crxdl"]
  
positive.code: FROM alpine:3.8
  
  LABEL maintainer="mritd <mritd1234@gmail.com>"
  
  
negative.code: 
  RUN apk upgrade --update \
      && apk add bash tzdata wget ca-certificates \
      && wget ${CRXDL_DOWNLOAD_URL} -O /usr/bin/crxdl \
      && chmod +x /usr/bin/crxdl \
      && ln -sf /usr/share/zoneinfo/${TZ} /etc/localtime \
      && echo ${TZ} > /etc/timezone \
      && apk del wget \
  