NFS test server

Dockerfile

FROM alpine:3.6
RUN apk update && apk add nfs-utils openrc rsyslog
EXPOSE 2049 2050 2051 2052
VOLUME /export
RUN (\
echo '$ModLoad omstdout.so'; \
echo '$ModLoad imuxsock.so'; \
echo '$ModLoad imklog.so'; \
echo '*.* :omstdout:'; \
) > /etc/rsyslog.conf
RUN echo '/export    *(rw,insecure,all_squash)' > /etc/exports
RUN (echo 'OPTS_RPC_MOUNTD="-p 2050"'; echo 'OPTS_RPC_STATD="-p 2051 -o 2052"') > /etc/conf.d/nfs
# https://github.com/neeravkumar/dockerfiles/blob/master/alpine-openrc/Dockerfile
# Tell openrc its running inside a container, till now that has meant LXC
RUN sed -i 's/#rc_sys=""/rc_sys="lxc"/g' /etc/rc.conf && \
# Tell openrc loopback and net are already there, since docker handles the networking
    echo 'rc_provide="loopback net"' >> /etc/rc.conf && \
# no need for loggers
    sed -i 's/^#\(rc_logger="YES"\)$/\1/' /etc/rc.conf && \
# can't get ttys unless you run the container in privileged mode
    sed -i '/tty/d' /etc/inittab && \
# can't set hostname since docker sets it
    sed -i 's/hostname $opts/# hostname $opts/g' /etc/init.d/hostname && \
# can't mount tmpfs since not privileged
    sed -i 's/mount -t tmpfs/# mount -t tmpfs/g' /lib/rc/sh/init.sh && \
# can't do cgroups
    sed -i 's/cgroup_add_service /# cgroup_add_service /g' /lib/rc/sh/openrc-run.sh
RUN rc-update add nfs
CMD ["/bin/sh", "-c", "/usr/sbin/rsyslogd -n -f /etc/rsyslog.conf & /sbin/openrc sysinit; wait"]