dockerfiles/openwrt-19.07.9-sh-1.30.1
FROM alpine as builder
ENV base=https://downloads.openwrt.org/releases/19.07.9/targets/x86/64/
ENV file=openwrt-19.07.9-x86-64-generic-rootfs.tar.gz
RUN wget -q "${base}${file}"
RUN mkdir /rootfs && tar xf "$file" -C /rootfs
FROM scratch as base
COPY --from=builder /rootfs/ /
CMD ["/bin/sh"]
FROM base
RUN mkdir /var/lock /home \
&& opkg update && opkg install shadow-useradd \
&& useradd -m user
ENV SH=/bin/sh