buildx/dovecot/Dockerfile

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ARG DEBIAN_VERSION=20210408
FROM docker.io/debian:bullseye-${DEBIAN_VERSION}-slim
ENV container=docker
ENV LC_ALL=C
ENV DEBIAN_FRONTEND=noninteractive
RUN apt-get -y update && apt-get -y install \
tini \
dovecot-core \
dovecot-imapd \
dovecot-lmtpd \
dovecot-ldap \
dovecot-managesieved \
dovecot-mysql \
dovecot-pgsql \
dovecot-sqlite \
dovecot-pop3d \
dovecot-sieve \
dovecot-solr \
dovecot-submissiond \
ca-certificates \
ssl-cert \
&& rm -rf /etc/dovecot \
&& mkdir /srv/mail && chown dovecot:dovecot /srv/mail \
&& rm -rf /var/lib/apt/lists/*
VOLUME [/etc/dovecot /srv/mail /var/mail]
ENTRYPOINT ["/sbin/tini" "--"]
CMD ["/usr/sbin/dovecot" "-F"]