FROM ubuntu:20.04 # install and configure munin # hadolint ignore=DL3008 # hadolint ignore=DL3008 RUN apt-get update && \ RUNLEVEL=1 DEBIAN_FRONTEND=noninteractive apt-get -y --no-install-recommends install \ cron \ munin \ nginx \ apache2 \ wget \ libapache2-mod-fcgid \ libcgi-fast-perl \ ssmtp \ perl \ mailutils \ curl tzdata \ munin-node \ autoconf \ libfile-readbackwards-perl \ && apt-get clean && \ rm -rf /var/lib/apt/lists/* /var/tmp/* /tmp/* RUN (cp /etc/munin/apache24.conf /etc/apache2/sites-available/000-default.conf) && \ (sed -i 's/^Alias.*/Alias \/ \/var\/cache\/munin\/www\//g' /etc/apache2/sites-available/000-default.conf) && \ (sed -i 's/Allow from .*/Satisfy Any/g' /etc/apache2/sites-available/000-default.conf) && \ (sed -i 's/Order allow,deny.*/Allow from all/g' /etc/apache2/sites-available/000-default.conf) && \ (mkdir -p /var/run/munin && \ chown -R munin:munin /var/run/munin) && \ (chfn -f 'munin' root) && \ (/usr/sbin/a2enmod fcgid) && \ rm -rf /etc/munin/plugins && \ mkdir -p /etc/munin/plugins COPY run.sh /usr/local/bin/run COPY munin_stats /etc/munin/plugins/munin_stats COPY munin_update /etc/munin/plugins/munin_update RUN chmod +x /etc/munin/plugins/munin_stats && \ chmod +x /etc/munin/plugins/munin_update && \ chmod +x /usr/local/bin/run COPY 000-default.conf /etc/apache2/sites-available/000-default.conf COPY logrotate-munin /etc/logrotate.d/munin COPY munin.conf /etc/munin/munin.conf COPY ssmtp.conf /etc/ssmtp/ssmtp.conf COPY revaliases /etc/ssmtp/revaliases COPY munin_mail.conf /etc/munin/munin-conf.d/munin_mail.conf # persist VOLUME /var/lib/munin VOLUME /var/log/munin VOLUME /var/cache/munin EXPOSE 80 # health check HEALTHCHECK --interval=5m --timeout=3s \ CMD curl -f http://localhost/munin/ || exit 1 # launcher CMD ["/usr/local/bin/run"]