FROM ubuntu:16.04

ADD ./sources.list /etc/apt/sources.list

# normally bad form for dockerfiles, but is sandbox
RUN DEBIAN_FRONTEND=noninteractive apt update && apt -y upgrade

RUN echo "#!/bin/sh\nexit 101" > /usr/sbin/policy-rc.d
ADD ./run.sh /tmp/run.sh
RUN bash /tmp/run.sh && rm /tmp/run.sh
ADD ./my_init /usr/sbin/my_init
RUN chmod +x /usr/sbin/my_init
CMD /usr/sbin/my_init