49 lines
2.1 KiB
Docker
49 lines
2.1 KiB
Docker
# syntax=docker.io/docker/dockerfile:1
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ARG LEAP_VERSION=15.6
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ARG INSTALL_ROOT=/rootfs
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FROM opensuse/leap:${LEAP_VERSION} as builder
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ARG CACHE_ZYPPER=/tmp/cache/zypper
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ARG INSTALL_ROOT
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# /etc/os-release provides $VERSION_ID below.
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# We don't need the openh264.repo and the non-oss repos, just costs build time (repo caches).
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# Also we need to remove the util_linux RPM to /really/ make sure busybox-util-linux gets installed.
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# And we need to run zypper update, see all PR #2424.
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RUN source /etc/os-release \
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&& rm -f /etc/zypp/repos.d/repo-openh264.repo /etc/zypp/repos.d/repo-non-oss.repo \
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&& export ZYPPER_OPTIONS=( --releasever "${VERSION_ID}" --installroot "${INSTALL_ROOT}" --cache-dir "${CACHE_ZYPPER}" ) \
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&& zypper "${ZYPPER_OPTIONS[@]}" --gpg-auto-import-keys refresh \
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&& rpm -e util-linux --nodeps \
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&& zypper "${ZYPPER_OPTIONS[@]}" --non-interactive install --download-in-advance --no-recommends \
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bash procps grep gawk sed coreutils busybox-util-linux busybox-vi ldns libidn2-0 socat openssl curl \
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&& zypper up -y \
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&& zypper "${ZYPPER_OPTIONS[@]}" clean --all
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## Cleanup (reclaim approx 13 MiB):
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# None of this content should be relevant to the container:
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RUN rm -r "${INSTALL_ROOT}/usr/share/"{licenses,man,locale,doc,help,info}
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# Functionality that the container doesn't need:
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RUN rm "${INSTALL_ROOT}/usr/share/misc/termcap" \
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&& rm -r "${INSTALL_ROOT}/usr/lib/sysimage/rpm"
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# Create a new image with the contents of $INSTALL_ROOT
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FROM scratch
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ARG INSTALL_ROOT
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COPY --link --from=builder ${INSTALL_ROOT} /
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# Link busybox to tar, see #2403. Create user + (home with SGID set):
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RUN ln -s /usr/bin/busybox /usr/bin/tar \
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&& echo 'testssl:x:1000:1000::/home/testssl:/bin/bash' >> /etc/passwd \
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&& echo 'testssl:x:1000:' >> /etc/group \
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&& echo 'testssl:!::0:::::' >> /etc/shadow \
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&& install --mode 2755 --owner testssl --group testssl --directory /home/testssl \
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&& ln -s /home/testssl/testssl.sh /usr/local/bin/
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# Copy over build context (after filtered by .dockerignore): bin/ etc/ testssl.sh
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COPY --chown=testssl:testssl . /home/testssl/
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USER testssl
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ENTRYPOINT ["testssl.sh"]
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CMD ["--help"]
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