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stagex/busybox/Dockerfile

83 lines
2.0 KiB
Docker

ARG REGISTRY=local
FROM ${REGISTRY}/bootstrap as bootstrap
FROM bootstrap as base
ENV SRC_SITE=https://busybox.net/downloads
ENV SRC_VERSION=1.35.0
ENV SRC_HASH=faeeb244c35a348a334f4a59e44626ee870fb07b6884d68c10ae8bc19f83a694
ENV SRC_FILE=busybox-${SRC_VERSION}.tar.bz2
ENV KCONFIG_NOTIMESTAMP=1
FROM base as fetch
RUN set -eux; \
wget ${SRC_SITE}/${SRC_FILE}
echo "${SRC_HASH} ${SRC_FILE}" | sha256sum -c
FROM fetch as build
RUN tar -xjf ${SRC_FILE}
WORKDIR busybox-${SRC_VERSION}
RUN set -eux; \
setConfs=' \
CONFIG_AR=y \
CONFIG_FEATURE_AR_CREATE=y \
CONFIG_FEATURE_AR_LONG_FILENAMES=y \
CONFIG_LAST_SUPPORTED_WCHAR=0 \
CONFIG_STATIC=y \
'; \
unsetConfs=' \
CONFIG_FEATURE_SYNC_FANCY \
CONFIG_FEATURE_HAVE_RPC \
CONFIG_FEATURE_INETD_RPC \
CONFIG_FEATURE_UTMP \
CONFIG_FEATURE_WTMP \
'; \
make defconfig; \
for conf in $unsetConfs; do \
sed -i \
-e "s!^$conf=.*\$!# $conf is not set!" \
.config; \
done; \
for confV in $setConfs; do \
conf="${confV%=*}"; \
sed -i \
-e "s!^$conf=.*\$!$confV!" \
-e "s!^# $conf is not set\$!$confV!" \
.config; \
if ! grep -q "^$confV\$" .config; then \
echo "$confV" >> .config; \
fi; \
done; \
make oldconfig; \
for conf in $unsetConfs; do \
! grep -q "^$conf=" .config; \
done; \
for confV in $setConfs; do \
grep -q "^$confV\$" .config; \
done; \
make
FROM build as install
USER 0:0
RUN set -eux; \
mkdir -p /rootfs/bin; \
cp busybox /rootfs/bin; \
cd /rootfs; \
mkdir -p home/user var/tmp etc tmp lib bin; \
/bin/busybox --install -s bin; \
echo "user:x:1000:" > etc/group; \
echo "user:x:1000:1000::/home/user:/bin/sh" > etc/passwd; \
ln -sT /lib lib64; \
chown -R 1000:1000 /rootfs/home/user /tmp /var/tmp; \
find . -exec touch -hcd "@0" "{}" +
FROM scratch as package
COPY --from=install /rootfs /
WORKDIR /home/user
USER 1000:1000
ENTRYPOINT ["/bin/sh"]
ENV TZ=UTC
ENV LANG=C.UTF-8
ENV SOURCE_DATE_EPOCH=1
ENV KCONFIG_NOTIMESTAMP=1
ENV PS1="busybox$ "