FROM scratch as base ENV VERSION=0.10.2 ENV SRC_HASH=b3bda1d108d5dd99f4a20d24d9c348e91c4db7ab1b749200bded2f839ccbe68f ENV SRC_FILE=toml-${VERSION}.tar.gz ENV SRC_SITE=https://files.pythonhosted.org/packages/source/t/toml/${SRC_FILE} FROM base as fetch ADD --checksum=sha256:${SRC_HASH} ${SRC_SITE} . FROM fetch as install COPY --from=stagex/busybox . / COPY --from=stagex/musl . / COPY --from=stagex/python . / COPY --from=stagex/py-setuptools . / COPY --from=stagex/zlib . / RUN tar -xzf ${SRC_FILE} WORKDIR toml-${VERSION} RUN <<-EOF set -eu python setup.py install --root=/rootfs find /rootfs | grep -E "(/__pycache__$|\.pyc$|\.pyo$)" | xargs rm -rf find /rootfs -exec touch -hcd "@0" "{}" + EOF FROM stagex/filesystem as package COPY --from=install /rootfs/. /