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- statically make containerd symlinks so rootfs can be read only - run binfmt_misc in a containerd container - ship arm, aarch64, ppc64le qemu static versions that always "just work" as this is supported in Linux 4.8 fix #53 Signed-off-by: Justin Cormack <justin.cormack@docker.com>
20 lines
493 B
Docker
20 lines
493 B
Docker
FROM mobylinux/alpine-build-go:78d9a136c632c66f0767e11ce3c661989d706f21
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COPY *.go /go/src/binfmt/
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WORKDIR /go/src/binfmt
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RUN go install --ldflags '-extldflags "-fno-PIC"'
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WORKDIR /rootfs
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RUN mkdir -p usr/bin binfmt_misc dev etc/binfmt.d proc sys
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RUN cp /go/bin/binfmt usr/bin
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COPY qemu* usr/bin/
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COPY 00_moby.conf etc/binfmt.d/
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RUN printf 'FROM scratch\nCOPY . ./\nCMD ["/usr/bin/binfmt", "-dir", "/etc/binfmt.d/", "-mount", "/binfmt_misc"]\n' > Dockerfile
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CMD ["tar", "cf", "-", "."]
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