FROM alpine:3.19

RUN apk add --no-cache postgresql-client curl zip tzdata cron


RUN mkdir -p /app /var/log/cron
WORKDIR /app
COPY backup.sh .
COPY crontab /etc/crontabs/root

RUN chmod +x backup.sh && \
    chmod 0644 /etc/crontabs/root && \
    touch /var/log/cron/cron.log && \
    chmod 666 /var/log/cron/cron.log


RUN printenv | grep -E 'PG_|TELEGRAM_' >> /etc/environment


CMD ["sh", "-c", "crond -f -l 0 -L /var/log/cron/cron.log"]