fithwum
c1f5ef75bc
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37 lines
1.2 KiB
Docker
37 lines
1.2 KiB
Docker
FROM alpine:3.20 AS builder
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LABEL maintainer="fithwum"
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WORKDIR /builder
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# Install tools needed for building rootfs
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RUN apk update && apk add --no-cache \
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bash curl wget git jq ca-certificates coreutils \
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tar gzip
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# Download alpine-make-rootfs script
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RUN wget https://raw.githubusercontent.com/alpinelinux/alpine-make-rootfs/master/alpine-make-rootfs \
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&& chmod +x alpine-make-rootfs
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# Build the rootfs
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RUN ./alpine-make-rootfs \
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--branch v3.20 \
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--mirror http://dl-cdn.alpinelinux.org/alpine \
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--packages "bash curl ca-certificates nano" \
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alpine-rootfs
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# Run custom script inside rootfs without chroot (simulate setup)
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COPY base-image-script/alpine-base_pt2.sh /builder/alpine-rootfs/
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RUN chmod +x /builder/alpine-rootfs/alpine-base_pt2.sh && \
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chroot /builder/alpine-rootfs /alpine-base_pt2.sh || true
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# Clean up the part2 script after execution
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RUN rm -f /builder/alpine-rootfs/alpine-base_pt2.sh
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# Package it
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RUN mkdir -p /output && \
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tar -czf /output/alpine-base.tar.gz -C alpine-rootfs .
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# Final image to export tarball
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FROM scratch AS export-stage
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COPY --from=builder /output/alpine-base.tar.gz /output/alpine-base.tar.gz
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CMD ["sleep", "infinity"] |