FROM alpine:3.6

RUN apk add --no-cache --upgrade bash mongodb-tools

# copy crontabs for root user
COPY crontab /etc/crontabs/root

# copy backup script
COPY backup /myscripts/backup
RUN chmod 0744 /myscripts/backup

# start crond with log level 8 in foreground, output to stderr
CMD ["crond", "-f", "-d", "8"]