FROM alpine@sha256:eece025e432126ce23f223450a0326fbebde39cdf496a85d8c016293fc851978 as seed

FROM seed as fetch
RUN set -ex; \
    apk update; \
    apk add gcc g++ libc-dev make linux-headers patch
RUN find / -exec touch -hcd "@0" "{}" +

FROM fetch as package