2025-10-12 00:46:05 -07:00
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FROM alpine:3.22@sha256:4bcff63911fcb4448bd4fdacec207030997caf25e9bea4045fa6c8c44de311d1 AS build
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RUN apk --no-cache add busybox-static
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RUN mkdir -p /tmp/initramfs/bin && cp /bin/busybox.static /tmp/initramfs/bin/busybox && \
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chroot /tmp/initramfs /bin/busybox --install -s /bin && \
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2025-10-12 18:06:57 -07:00
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chroot /tmp/initramfs ln -s /bin/init /init && \
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2025-10-12 00:46:05 -07:00
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cd /tmp/initramfs && \
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find . | cpio -R 0:0 --ignore-devno --renumber-inodes -o -H newc --quiet > /initramfs && \
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rm -rf /tmp/initramfs
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FROM scratch AS final
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COPY --from=build /initramfs /initramfs
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