FROM almalinux:9

ARG DOVECOT_VERSION
ARG POSTFIX_VERSION

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-${POSTFIX_VERSION} postfix-ldap-${POSTFIX_VERSION} \
  postfix-mysql-${POSTFIX_VERSION} postfix-pgsql-${POSTFIX_VERSION} \
  dovecot-${DOVECOT_VERSION} dovecot-pigeonhole-${DOVECOT_VERSION} \
  cyrus-sasl cyrus-sasl-plain cyrus-sasl-md5 pypolicyd-spf \
  && dnf clean all \
  && rm -rf /var/cache/yum

EXPOSE 25 465 587

CMD ["postfix", "start-fg"]