#ctrl-alt-delor@raspberrypi:~/a_website/docker$
#↳ docker exec -it $(docker container ls | sed -nr -e 's/.*(website-stack.*)/1/p') service cron status
[ ok ] cron is running.

#ctrl-alt-delor@raspberrypi:~/a_website/docker$
#↳ docker exec -it $(docker container ls | sed -nr -e 's/.*(website-stack.*)/1/p') cat /proc/12/cmdline; echo
/usr/sbin/cron

FROM arm32v7/nginx

##add backports
COPY stretch-backports-source.list /etc/apt/sources.list.d/

##install cron and curl — so we can register dns regularly
RUN     apt-get update &&
        apt-get install -y cron curl &&
        apt-get clean

##setup cron to register dns
COPY register-dns register-dns.auth register-dns-hostname /usr/local/bin/
COPY register-dns.cron /etc/cron.daily/1-register-dns
RUN chmod +x /usr/local/bin/register-dns /etc/cron.daily/1-register-dns

##add curtbot
RUN apt-get update &&
    apt-get -t stretch-backports install -y python-certbot-nginx &&
    apt-get clean


#add ssl port
EXPOSE 443 80

##custom entry point — needed by cron
COPY entrypoint /entrypoint
RUN chmod +x /entrypoint
ENTRYPOINT ["/entrypoint"]
CMD ["nginx", "-g", "daemon off;"] #:tricky: we seem to need to re-specify this

LABEL name="my-nginx"
      description="nginx + cron + curl + certbot + dns-registering"

#!/bin/sh

## Do whatever you need with env vars here ...
service cron start

# Hand off to the CMD
exec "$@"

SHELL=/bin/sh
PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin

# m h dom mon dow user  command
17 *    * * *   root    cd / && run-parts --report /etc/cron.hourly
25 6    * * *   root    test -x /usr/sbin/anacron || ( cd / && run-parts --report /etc/cron.daily )
47 6    * * 7   root    test -x /usr/sbin/anacron || ( cd / && run-parts --report /etc/cron.weekly )
52 6    1 * *   root    test -x /usr/sbin/anacron || ( cd / && run-parts --report /etc/cron.monthly )

#!/bin/sh
date >> /var/log/register-dns
/usr/local/bin/register-dns >>/var/log/register-dns

#!/bin/sh

#fix link-count, as cron is being a pain, and docker is making hardlink count >0 (very high)
touch /etc/crontab /etc/cron.*/*

service cron start

# Hand off to the CMD
exec "$@"