FROM alpine:3.21.3

# this is the default, but just to be explicit
USER root

RUN apk --no-cache add \
    btrfs-progs \
    openssh \
    bash \
    coreutils \
    tzdata \
    borgbackup=1.4.0-r0

COPY src /src
COPY config/ssh_config /etc/ssh/
COPY config/exclude.conf /exclude.conf

# Check for backup failures and a success within the allowed time.
ENV MAX_BACKUP_AGE_SECONDS=86400
HEALTHCHECK --interval=10s --timeout=10s CMD /src/healthcheck.sh

ENTRYPOINT ["/src/startup.sh"]
CMD ["/src/schedule.sh"]