ARG ALPINE_VERSION=3.18.3
ARG BASE_IMAGE=gitea.nulo.in/sutty/monit
FROM ${BASE_IMAGE}:${ALPINE_VERSION}
LABEL org.opencontainers.image.authors="f@sutty.nl"

RUN apk add --no-cache opendkim opendkim-utils mini-sendmail drill

COPY ./monit.conf /etc/monit.d/opendkim.conf
COPY ./opendkimd.sh /usr/local/bin/opendkimd
COPY ./sendmail.sh /usr/bin/sendmail

EXPOSE 8891
VOLUME /etc/opendkim