FROM debian:jessie RUN export DEBIAN_FRONTEND=noninteractive \ && apt-get update \ && apt-get install -y --no-install-recommends \ postfix dovecot-imapd dovecot-sqlite \ dovecot-sieve dovecot-managesieved \ dovecot-antispam spamassassin clamav \ supervisor \ && apt-get clean ADD config /etc/ CMD ["/usr/bin/supervisord"]