FROM eumau/debian:buster-slim
LABEL maintainer "Mauro Torrez <mauro@mau.ro>"
ARG DEBIAN_FRONTEND=noninteractive
ENV LC_ALL C
ENV SUBMISSION_ENABLE= \
    SUBMISSION_RELAY_HOST= \
    SUBMISSION_RELAY_PORT=25 \
    SUBMISSION_RELAY_TRUSTED=yes \
    SUBMISSION_RELAY_USER= \
    SUBMISSION_RELAY_MASTER_USER= \
    SUBMISSION_RELAY_PASSWORD= \
    SUBMISSION_RELAY_SSL=starttls \
    SUBMISSION_RELAY_SSL_VERIFY=no \
    SUBMISSION_RELAY_RAWLOG_DIR=

RUN apt-get update && apt-get install -y --no-install-recommends \
     dovecot-lmtpd \
     dovecot-imapd \
     dovecot-ldap \
     dovecot-sieve \
     dovecot-managesieved \
     dovecot-antispam \
     bogofilter \
     ssl-cert \
  && rm -rf /var/lib/apt/lists/* \
  && groupadd -g 5000 vmail && useradd -g vmail -u 5000 vmail -d /vmail \
  && mkdir -p /vmail && chown vmail:vmail /vmail \
  && mkdir -p /ssl && chmod 700 /ssl \
  && cp /etc/ssl/certs/ssl-cert-snakeoil.pem /ssl/cert.pem \
  && cp /etc/ssl/private/ssl-cert-snakeoil.key /ssl/key.pem \
  && mkdir -p /etc/dovecot/local.d /etc/dovecot/sieve/{before,after}

ADD 10-mail.conf \
  10-master.conf \
  10-ssl.conf \
  11-quota.conf \
  15-mailboxes.conf \
  20-imap.conf \
  90-antispam.conf \
  90-sieve.conf \
  /etc/dovecot/conf.d/

ADD local.conf /etc/dovecot/
ADD junk-filter.sieve /etc/dovecot/sieve/before/

ADD \
  10-auth.conf.tmpl \
  20-lmtp.conf.tmpl \
  ldap.conf.ext.tmpl \
  submission.conf.tmpl \
  /etc/confd/templates/
ADD confd-*.toml /etc/confd/conf.d/

RUN sievec /etc/dovecot/sieve/before/junk-filter.sieve

VOLUME /etc/dovecot /ssl /vmail

EXPOSE 110/tcp 143/tcp 587/tcp 993/tcp 995/tcp 2000/tcp

CMD ["dovecot","-F"]