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a37fd19f88
Bring it into line with official images: remove `jq`, `sfdisk` which are not needed; we used them for disk mounting but this is down standalone. Add the tools for other filesystems, which are needed for `dm`, `btrfs`. Signed-off-by: Justin Cormack <justin.cormack@docker.com>
42 lines
1.2 KiB
Docker
42 lines
1.2 KiB
Docker
FROM alpine:3.5
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# Docker daemon only minimal Alpine install
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# set up Docker group
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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 docker \
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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/blob/master/project/PACKAGERS.md#runtime-dependencies
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# removed openssl as I do not think server needs it
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RUN apk add --no-cache \
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btrfs-progs \
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ca-certificates \
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curl \
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e2fsprogs \
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e2fsprogs-extra \
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iptables \
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xfsprogs \
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xz
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ENV DOCKER_BUCKET get.docker.com
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ENV DOCKER_VERSION 17.04.0-ce
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ENV DOCKER_SHA256 c52cff62c4368a978b52e3d03819054d87bcd00d15514934ce2e0e09b99dd100
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# we could avoid installing client here I suppose
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RUN set -x \
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&& curl -fSL "https://${DOCKER_BUCKET}/builds/Linux/x86_64/docker-${DOCKER_VERSION}.tgz" -o docker.tgz \
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&& echo "${DOCKER_SHA256} *docker.tgz" | sha256sum -c - \
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&& tar -xzvf docker.tgz \
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&& mv docker/* /usr/bin/ \
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&& rmdir docker \
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&& rm docker.tgz \
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&& docker -v
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# use the Docker copy of tini as our init for zombie reaping
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ENTRYPOINT ["/usr/bin/docker-init", "/usr/bin/dockerd"]
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