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46 lines
1.4 KiB
Docker
46 lines
1.4 KiB
Docker
FROM docker:19.03
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# https://github.com/docker/docker/blob/master/project/PACKAGERS.md#runtime-dependencies
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RUN set -eux; \
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apk add --no-cache \
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btrfs-progs \
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e2fsprogs \
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e2fsprogs-extra \
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iptables \
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openssl \
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shadow-uidmap \
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xfsprogs \
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xz \
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# pigz: https://github.com/moby/moby/pull/35697 (faster gzip implementation)
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pigz \
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; \
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# only install zfs if it's available for the current architecture
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# https://git.alpinelinux.org/cgit/aports/tree/main/zfs/APKBUILD?h=3.6-stable#n9 ("all !armhf !ppc64le" as of 2017-11-01)
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# "apk info XYZ" exits with a zero exit code but no output when the package exists but not for this arch
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if zfs="$(apk info --no-cache --quiet zfs)" && [ -n "$zfs" ]; then \
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apk add --no-cache zfs; \
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fi
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# TODO aufs-tools
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# set up subuid/subgid so that "--userns-remap=default" works out-of-the-box
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RUN set -x \
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&& addgroup -S dockremap \
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&& adduser -S -G dockremap dockremap \
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&& echo 'dockremap:165536:65536' >> /etc/subuid \
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&& echo 'dockremap:165536:65536' >> /etc/subgid
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# https://github.com/docker/docker/tree/master/hack/dind
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ENV DIND_COMMIT ed89041433a031cafc0a0f19cfe573c31688d377
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RUN set -eux; \
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wget -O /usr/local/bin/dind "https://raw.githubusercontent.com/docker/docker/${DIND_COMMIT}/hack/dind"; \
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chmod +x /usr/local/bin/dind
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COPY dockerd-entrypoint.sh /usr/local/bin/
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VOLUME /var/lib/docker
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EXPOSE 6788 6789
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ENTRYPOINT ["dockerd-entrypoint.sh"]
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CMD [] |