64 lines
1.6 KiB
Docker
64 lines
1.6 KiB
Docker
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ARG GCC_IMAGE=library/gcc@sha256:ca38f292fe1ad0933f0122a657f9c644ed1f0a9e1aa336abcc83d420ad487e28
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FROM ${GCC_IMAGE} as build
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ENV SOURCE_SITE=https://busybox.net/downloads
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ENV SOURCE_VERSION=1.36.1
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ENV SOURCE_HASH=b8cc24c9574d809e7279c3be349795c5d5ceb6fdf19ca709f80cde50e47de314
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RUN wget ${SOURCE_SITE}/busybox-${SOURCE_VERSION}.tar.bz2
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RUN echo "${SOURCE_HASH} busybox-${SOURCE_VERSION}.tar.bz2" | sha256sum -c
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RUN tar -xjf busybox-${SOURCE_VERSION}.tar.bz2
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WORKDIR busybox-${SOURCE_VERSION}
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RUN set -eux; \
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setConfs=' \
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CONFIG_AR=y \
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CONFIG_FEATURE_AR_CREATE=y \
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CONFIG_FEATURE_AR_LONG_FILENAMES=y \
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CONFIG_LAST_SUPPORTED_WCHAR=0 \
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CONFIG_STATIC=y \
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'; \
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unsetConfs=' \
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CONFIG_FEATURE_SYNC_FANCY \
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CONFIG_FEATURE_HAVE_RPC \
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CONFIG_FEATURE_INETD_RPC \
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CONFIG_FEATURE_UTMP \
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CONFIG_FEATURE_WTMP \
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'; \
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make defconfig; \
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for conf in $unsetConfs; do \
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sed -i \
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-e "s!^$conf=.*\$!# $conf is not set!" \
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.config; \
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done; \
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for confV in $setConfs; do \
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conf="${confV%=*}"; \
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sed -i \
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-e "s!^$conf=.*\$!$confV!" \
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-e "s!^# $conf is not set\$!$confV!" \
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.config; \
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if ! grep -q "^$confV\$" .config; then \
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echo "$confV" >> .config; \
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fi; \
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done; \
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make oldconfig; \
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for conf in $unsetConfs; do \
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! grep -q "^$conf=" .config; \
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done; \
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for confV in $setConfs; do \
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grep -q "^$confV\$" .config; \
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done
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RUN make
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RUN cp ./busybox /
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FROM scratch
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COPY --from=build /busybox .
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RUN ["/busybox","mkdir","/bin"]
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RUN ["/busybox","--install","-s","/bin"]
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RUN echo "nogroup:*:100:nobody" > /etc/group
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RUN echo "nobody:*:100:100:::" > /etc/passwd
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RUN mkdir /tmp
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RUN chown -R 100:100 /tmp
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WORKDIR /tmp
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USER 100:100
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ENTRYPOINT ["/bin/sh"]
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