mailcow/data/Dockerfiles/postfix/Dockerfile

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FROM debian:buster-slim
LABEL maintainer "Andre Peters <andre.peters@servercow.de>"
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ARG DEBIAN_FRONTEND=noninteractive
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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 \
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ca-certificates \
curl \
dirmngr \
gnupg \
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libsasl2-modules \
mariadb-client \
perl \
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postfix \
postfix-mysql \
postfix-pcre \
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sasl2-bin \
sudo \
supervisor \
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syslog-ng \
syslog-ng-core \
syslog-ng-mod-redis \
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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
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COPY supervisord.conf /etc/supervisor/supervisord.conf
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COPY syslog-ng.conf /etc/syslog-ng/syslog-ng.conf
COPY stop-supervisor.sh /usr/local/sbin/stop-supervisor.sh
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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
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EXPOSE 588
CMD exec /usr/bin/supervisord -c /etc/supervisor/supervisord.conf
RUN rm -rf /tmp/* /var/tmp/*