# focal 2020.01 dev
FROM ubuntu@sha256:d050ed7278c16ff627e4a70d7d353f1a2ec74d8a0b66e5a865356d92f5f6d87b

ENV DEBIAN_FRONTEND noninteractive

ARG UBUNTU_MIRROR=http://archive.ubuntu.com/ubuntu

RUN echo "deb $UBUNTU_MIRROR focal main universe restricted multiverse" > /etc/apt/sources.list.new && \
echo "deb $UBUNTU_MIRROR focal-updates main universe restricted multiverse" >> /etc/apt/sources.list.new && \
echo "deb $UBUNTU_MIRROR focal-security main universe restricted multiverse" >> /etc/apt/sources.list.new && \
echo "deb $UBUNTU_MIRROR focal-backports main universe restricted multiverse" >> /etc/apt/sources.list.new && \
mv /etc/apt/sources.list.new /etc/apt/sources.list

ADD https://sneak.cloud/authorized_keys /root/.ssh/authorized_keys

COPY ./root /tmp/rootoverlay

# we only install essential system packages here
ARG SYSTEM_PACKAGES="build-essential ca-certificates openssh-server git golang rsync runit locales"

RUN \
    apt update && \
    apt -y upgrade && \
    apt -y install $SYSTEM_PACKAGES && \
    rsync -avP /tmp/rootoverlay/ / && \
    rm -rf /tmp/rootoverlay && \
    go get -v -u github.com/peterbourgon/runsvinit && \
    cp /root/go/bin/runsvinit /usr/local/sbin/runsvinit && \
    rm -r /root/go && \
    rm /etc/ssh/*host*key*

COPY ./run.sh /tmp/run.sh

RUN /bin/bash /tmp/run.sh && rm /tmp/run.sh

EXPOSE 22

CMD ["/usr/local/sbin/runsvinit"]