anchor.diff:  
   # Apply stack smash protection to functions using local buffers and alloca()
   # Make PHP's main executable position-independent
  -# Enable optimization (-Os — Optimize for size)
  +# Enable optimization (-Os — Optimize for size)
   # Enable linker optimization
   # Adds GNU HASH segments to generated executables
   # https://github.com/docker-library/php/issues/272
  
positive.code:         upx@community \
      && ./getcomposer.sh \
      \
      && scanelf --nobanner --needed /usr/bin/git | awk '{ gsub(/,/, "\nso:", $2); print "so:" $2 }' | xargs apk add \
      && scanelf --nobanner --needed /usr/local/bin/php | awk '{ gsub(/,/, "\nso:", $2); print "so:" $2 }' | xargs apk add \
      \
      && upx -9 /usr/bin/git /usr/local/bin/php \
      && apk del --purge apk-tools upx \
      \
      && tar -czf lib.tar.gz /lib/*.so.* \
      && tar -czf usr-lib.tar.gz /usr/lib/libpcre.so.*
  
  
  FROM busybox
  
  ARG BUILD_DATE
  ARG VCS_REF
  
negative.code: RUN set -euxo pipefail
  
  # Requirements
  RUN apk --update add \
          autoconf \
          file \
          g++ \
  