FROM alpine

RUN apk add --no-cache \
    ca-certificates \
    nagios \
    nagios-plugins \
    nagios-plugins-dig \
    nagios-plugins-dns \
    nagios-plugins-http \
    nagios-plugins-ldap \
    nagios-plugins-mysql \
    nagios-plugins-pgsql \
    nagios-plugins-ping \
    nagios-plugins-smtp \
    nagios-plugins-ssh \
    nagios-plugins-ssl_validity \
    nagios-web \
    nrpe-plugin \
    ssmtp

USER nagios

COPY entrypoint.sh /docker-entrypoint.sh
ENTRYPOINT ["/docker-entrypoint.sh"]

CMD ["/usr/sbin/nagios", "/etc/nagios/nagios.cfg"]