FROM scratch as base ENV VERSION=0.2.13 ENV SRC_HASH=72ea0c06399eb286d978fdedb6923a9eb47e1c486ce63e9b4e64fc18303972b5 ENV SRC_FILE=wcwidth-${VERSION}.tar.gz ENV SRC_SITE=https://files.pythonhosted.org/packages/source/w/wcwidth/${SRC_FILE} FROM base as fetch ADD --checksum=sha256:${SRC_HASH} ${SRC_SITE} . FROM fetch as build COPY --from=stagex/busybox . / COPY --from=stagex/musl . / COPY --from=stagex/zlib . / COPY --from=stagex/openssl . / COPY --from=stagex/python . / COPY --from=stagex/libffi . / COPY --from=stagex/py-setuptools . / COPY --from=stagex/py-installer . / COPY --from=stagex/py-flit . / COPY --from=stagex/py-wheel . / COPY --from=stagex/py-gpep517 . / RUN tar -xzf ${SRC_FILE} WORKDIR wcwidth-${VERSION} RUN --network=none gpep517 build-wheel --wheel-dir .dist --output-fd 3 3>&1 >&2 FROM build as install RUN --network=none <<-EOF set -eu python -m installer -d /rootfs .dist/*.whl find /rootfs | grep -E "(/__pycache__$|\.pyc$|\.pyo$)" | xargs rm -rf EOF FROM stagex/filesystem as package COPY --from=install /rootfs/. /