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 ["crond", "-f", "-l", "8", "-L", "/var/log/cron/cron.log"]