FROM ubuntu:18.10 as builder
RUN apt -y update \
   && apt -y install gcc
COPY ./pause /pause
RUN cd /pause && gcc ./main.c -o pauser

FROM ubuntu:18.10
RUN groupadd postgres && useradd -d /home/postgres -ms /bin/bash -g postgres -G sudo postgres
RUN apt -y update \
   && apt -y install \
      curl \
      rsync \
      cron \
      postgresql postgresql-contrib \
   && curl -L \
      https://github.com/miniflux/miniflux/releases/download/2.0.19/miniflux_2.0.19_amd64.deb \
      > /miniflux.deb \
   && dpkg -i /miniflux.deb \
   && mkdir -p /mnt/save
USER postgres
RUN service postgresql start && sleep 10 \
   && psql --command "CREATE USER mini WITH SUPERUSER PASSWORD 'pwd';" \
   && createdb -O mini pwd \
   && psql --command "CREATE DATABASE miniflux;" \
   && psql --command "GRANT ALL PRIVILEGES ON DATABASE miniflux TO mini;" \
   && service postgresql stop && sleep 10

ENV DATABASE_URL=postgres://mini:pwd@localhost/miniflux?sslmode=disable
ENV LISTEN_ADDR=:8032
ENV RUN_MIGRATIONS=1
ENV CREATE_ADMIN=1
ENV ADMIN_USERNAME=username
ENV ADMIN_PASSWORD=password

ENV RUN_MIGRATIONS=0
ENV CREATE_ADMIN=0

COPY --from=builder /pause/pauser /pauser

USER root
### CRON BACKUPS
RUN true \
   && echo 'service postgresql stop && sleep 5 && b=$(date +%Y%m%d%H) && mkdir -p /mnt/save/$b && rsync -avzP --delete /var/lib/postgresql/10/main/ /mnt/save/$b/ && service postgresql start' > /backup.sh \
   && echo 'service postgresql stop && sleep 5 && b=$(find /mnt/save -mindepth 1 -maxdepth 1 | sort | tail -n 1); if [ -n "$b" ]; then rsync -avzP --delete "${b%/}/" /var/lib/postgresql/10/main/; fi && chown -R postgres /var/lib/postgresql && chmod -R 0700 /var/lib/postgresql && service postgresql start;' > /restore.sh \
   && echo '0 4,8,12,16,20 * * * bash /backup.sh >> /var/log/cronj.log 2>&1' > /etc/cron.d/backups \
   && echo '' >> /etc/cron.d/backups \
   && chmod 0644 /etc/cron.d/backups \
   && touch /var/log/cronj.log

ENTRYPOINT \
   bash /restore.sh \
   && service postgresql start \
   && sleep 10 \
   && miniflux -migrate \
   && miniflux -create-admin \
   && miniflux \
   & exec /pauser