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FROM alpine:3.12
LABEL maintainer.name="The Xen Project" \
maintainer.email="xen-devel@lists.xenproject.org"
ENV USER root
RUN mkdir /build
WORKDIR /build
RUN \
# apk
apk update && \
\
# xen runtime deps
apk add musl && \
apk add libgcc && \
apk add openrc && \
apk add busybox && \
apk add sudo && \
apk add dbus && \
apk add bash && \
apk add python2 && \
apk add zlib && \
apk add ncurses && \
apk add texinfo && \
apk add yajl && \
apk add libaio && \
apk add xz-dev && \
apk add util-linux && \
apk add argp-standalone && \
apk add libfdt && \
apk add glib && \
apk add pixman && \
apk add curl && \
apk add udev && \
\
# Xen
cd / && \
# Minimal ramdisk environment in case of cpio output
rc-update add udev && \
rc-update add udev-trigger && \
rc-update add udev-settle && \
rc-update add networking sysinit && \
rc-update add loopback sysinit && \
rc-update add bootmisc boot && \
rc-update add devfs sysinit && \
rc-update add dmesg sysinit && \
rc-update add hostname boot && \
rc-update add hwclock boot && \
rc-update add hwdrivers sysinit && \
rc-update add killprocs shutdown && \
rc-update add modloop sysinit && \
rc-update add modules boot && \
rc-update add mount-ro shutdown && \
rc-update add savecache shutdown && \
rc-update add sysctl boot && \
rc-update add local default && \
cp -a /sbin/init /init && \
echo "ttyS0" >> /etc/securetty && \
echo "hvc0" >> /etc/securetty && \
echo "ttyS0::respawn:/sbin/getty -L ttyS0 115200 vt100" >> /etc/inittab && \
echo "hvc0::respawn:/sbin/getty -L hvc0 115200 vt100" >> /etc/inittab && \
passwd -d "root" root && \
\
# Create rootfs
cd / && \
tar cvzf /initrd.tar.gz bin dev etc home init lib mnt opt root sbin usr var
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