FROM almalinux:9

RUN useradd -m -s /bin/false vmail

RUN dnf install -y epel-release dnf-plugins-core \
  && dnf update -y \
  && dnf config-manager --enable crb \
  && dnf clean all \
  && rm -rf /var/cache/yum

RUN dnf install -y postfix-3.5.9 postfix-ldap-3.5.9 postfix-mysql-3.5.9 postfix-pgsql-3.5.9 \
  dovecot-2.3.16 dovecot-pigeonhole-2.3.16 opendkim-2.11.0 opendmarc-1.4.2 \
  cyrus-sasl cyrus-sasl-plain cyrus-sasl-md5 pypolicyd-spf \
  && dnf clean all \
  && rm -rf /var/cache/yum

EXPOSE 8893

CMD ["/usr/sbin/opendmarc", "-f", "-c", "/etc/opendmarc/opendmarc.conf"]