FROM debian:buster-slim LABEL maintainer "Andre Peters " ARG DEBIAN_FRONTEND=noninteractive ENV LC_ALL C RUN dpkg-divert --local --rename --add /sbin/initctl \ && ln -sf /bin/true /sbin/initctl \ && dpkg-divert --local --rename --add /usr/bin/ischroot \ && ln -sf /bin/true /usr/bin/ischroot # Add groups and users before installing Postfix to not break compatibility RUN groupadd -g 102 postfix \ && groupadd -g 103 postdrop \ && useradd -g postfix -u 101 -d /var/spool/postfix -s /usr/sbin/nologin postfix \ && apt-get update && apt-get install -y --no-install-recommends \ ca-certificates \ curl \ dirmngr \ dnsutils \ gnupg \ libsasl2-modules \ mariadb-client \ perl \ postfix \ postfix-mysql \ postfix-pcre \ sasl2-bin \ sudo \ supervisor \ syslog-ng \ syslog-ng-core \ syslog-ng-mod-redis \ tzdata \ && rm -rf /var/lib/apt/lists/* \ && touch /etc/default/locale \ && printf '#!/bin/bash\n/usr/sbin/postconf -c /opt/postfix/conf "$@"' > /usr/local/sbin/postconf \ && chmod +x /usr/local/sbin/postconf COPY supervisord.conf /etc/supervisor/supervisord.conf COPY syslog-ng.conf /etc/syslog-ng/syslog-ng.conf COPY stop-supervisor.sh /usr/local/sbin/stop-supervisor.sh COPY postfix.sh /opt/postfix.sh COPY rspamd-pipe-ham /usr/local/bin/rspamd-pipe-ham COPY rspamd-pipe-spam /usr/local/bin/rspamd-pipe-spam COPY whitelist_forwardinghosts.sh /usr/local/bin/whitelist_forwardinghosts.sh COPY stop-supervisor.sh /usr/local/sbin/stop-supervisor.sh RUN chmod +x /opt/postfix.sh \ /usr/local/bin/rspamd-pipe-ham \ /usr/local/bin/rspamd-pipe-spam \ /usr/local/bin/whitelist_forwardinghosts.sh \ /usr/local/sbin/stop-supervisor.sh EXPOSE 588 CMD exec /usr/bin/supervisord -c /etc/supervisor/supervisord.conf RUN rm -rf /tmp/* /var/tmp/*