ARG REGISTRY=local FROM ${REGISTRY}/busybox:latest as busybox FROM ${REGISTRY}/gcc:latest as gcc FROM ${REGISTRY}/binutils:latest as binutils FROM ${REGISTRY}/musl:latest as musl FROM ${REGISTRY}/make:latest as make FROM busybox as build COPY --from=gcc . / COPY --from=binutils . / COPY --from=make . / COPY --from=musl . / ENV SRC_SITE=https://www.zlib.net/ ENV SRC_VERSION=1.3 ENV SRC_HASH=ff0ba4c292013dbc27530b3a81e1f9a813cd39de01ca5e0f8bf355702efa593e RUN wget ${SRC_SITE}/zlib-${SRC_VERSION}.tar.gz RUN echo "${SRC_HASH} zlib-${SRC_VERSION}.tar.gz" | sha256sum -c RUN tar -xf zlib-${SRC_VERSION}.tar.gz WORKDIR zlib-${SRC_VERSION} RUN set -eux; \ ./configure \ --prefix=/usr \ --libdir=/lib \ --shared; \ make; RUN make DESTDIR=/home/user/rootfs install FROM scratch COPY --from=build /home/user/rootfs /