FROM alpine:latest

# Install dependencies
RUN apk update && apk add --no-cache \
    bash \
    rsync \
    coreutils \
    cronie \
 && rm -rf /var/cache/apk/*


# Copy backup and list scripts
COPY backup.sh /usr/local/bin/backup.sh
COPY list.sh /usr/local/bin/list.sh
# Mark them executables
RUN chmod +x /usr/local/bin/backup.sh
RUN chmod +x /usr/local/bin/list.sh

# Add crontab file and needed cache directory
RUN mkdir -p /root/.cache/crontab && chmod 700 /root/.cache/crontab
COPY crontab.txt /etc/crontabs/root
RUN crontab /etc/crontabs/root

# Start cron in foreground
CMD ["/usr/sbin/crond", "-f"]