40 lines
1.5 KiB
Docker
40 lines
1.5 KiB
Docker
# MAIN: https://eaguru.guru/git/notwa/stargazing
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# REPO: https://eaguru.guru/git/notwa/stargazing
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FROM alpine:3.16 as partial
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# need this for acquire (.tar.xz files):
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RUN apk add --no-cache xz
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COPY --chmod=0755 acquire cosmocc dedupe quickconf shed \
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/usr/local/bin/
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RUN ln -s /usr/local/bin /nu
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WORKDIR /media/common
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FROM partial as downloader
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# this demonstrates how to use the `acquire` script.
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ARG BUSYBOX_VERSION=1.35.0
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ARG BUSYBOX_SHA256=faeeb244c35a348a334f4a59e44626ee870fb07b6884d68c10ae8bc19f83a694
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RUN --mount=type=cache,id=common,target=/media/common,sharing=locked \
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--mount=type=tmpfs,target=/tmp : \
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&& name=busybox \
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&& remote_fn="$name-$BUSYBOX_VERSION.tar.bz2" \
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&& export local_fn="$remote_fn" \
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&& export remote_url="http://busybox.net/downloads/$remote_fn" \
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&& export dest=/root/$name \
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&& export sha256="$BUSYBOX_SHA256" \
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&& acquire \
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;
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FROM alpine:3.16 as builder
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RUN apk add --no-cache gcc linux-headers make musl-dev
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# configure and build a rescue shell and some utilities,
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# i.e. one better suited for images built "FROM scratch".
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# this can greatly differ from Alpine's build of busybox.
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# for one thing, this build is half the size of Alpine's.
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# this binary is *not* an APE; it's only for Linux hosts.
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# TODO: inherit security patches from Alpine.
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COPY --from=downloader /root /root
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WORKDIR /root/busybox
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COPY busybox.config .config
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RUN make -j2 && du -h busybox
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FROM partial as final
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COPY --chmod=0755 --from=builder /root/busybox/busybox /usr/local/bin/busybox
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