docker-mailserver/Dockerfile
2021-03-28 22:07:52 +02:00

254 lines
13 KiB
Docker
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

FROM docker.io/debian:buster-slim
ARG VCS_VER
ARG VCS_REF
ARG DEBIAN_FRONTEND=noninteractive
LABEL org.opencontainers.image.version=${VCS_VER}
LABEL org.opencontainers.image.revision=${VCS_REF}
LABEL org.opencontainers.image.title="docker-mailserver"
LABEL org.opencontainers.image.vendor="The Docker Mailserver Organization"
LABEL org.opencontainers.image.authors="The Docker Mailserver Organization on GitHub"
LABEL org.opencontainers.image.licenses="MIT"
LABEL org.opencontainers.image.description="A fullstack but simple mail server (SMTP, IMAP, LDAP, Antispam, Antivirus, etc.). Only configuration files, no SQL database."
LABEL org.opencontainers.image.url="https://github.com/docker-mailserver"
LABEL org.opencontainers.image.documentation="https://github.com/docker-mailserver/docker-mailserver/blob/master/README.md"
LABEL org.opencontainers.image.source="https://github.com/docker-mailserver/docker-mailserver"
ENV ENABLE_POSTGREY=0
ENV FETCHMAIL_POLL=300
ENV ONE_DIR=0
ENV POSTGREY_AUTO_WHITELIST_CLIENTS=5
ENV POSTGREY_DELAY=300
ENV POSTGREY_MAX_AGE=35
ENV POSTGREY_TEXT="Delayed by Postgrey"
ENV SASLAUTHD_MECHANISMS=pam
ENV SASLAUTHD_MECH_OPTIONS=""
ENV VIRUSMAILS_DELETE_DELAY=7
SHELL ["/bin/bash", "-o", "pipefail", "-c"]
#
# Install Basic Software
#
RUN \
apt-get -qq update && \
apt-get -y install apt-utils &>/dev/null && \
apt-get -y dist-upgrade >/dev/null && \
apt-get -y install postfix >/dev/null && \
apt-get -y --no-install-recommends install \
# A - D
altermime amavisd-new apt-transport-https arj binutils bzip2 \
ca-certificates cabextract clamav clamav-daemon cpio curl \
dovecot-core dovecot-imapd dovecot-ldap dovecot-lmtpd \
dovecot-managesieved dovecot-pop3d dovecot-sieve dovecot-solr \
dumb-init \
# E - O
ed fail2ban fetchmail file gamin gnupg gzip iproute2 iptables \
locales logwatch lhasa libdate-manip-perl liblz4-tool \
libmail-spf-perl libnet-dns-perl libsasl2-modules lrzip lzop \
netcat-openbsd nomarch opendkim opendkim-tools opendmarc \
# P - Z
pax pflogsumm postgrey p7zip-full postfix-ldap postfix-pcre \
postfix-policyd-spf-python postsrsd pyzor \
razor rpm2cpio rsyslog sasl2-bin spamassassin supervisor \
unrar-free unzip whois xz-utils >/dev/null && \
# cleanup
apt-get -qq autoclean && \
apt-get -qq clean && \
rm -rf /var/lib/apt/lists/* && \
c_rehash 2>/dev/null
#
# ClamAV & FeshClam
#
RUN \
echo '0 */6 * * * clamav /usr/bin/freshclam --quiet' > /etc/cron.d/clamav-freshclam && \
chmod 644 /etc/clamav/freshclam.conf && \
freshclam && \
sed -i 's/Foreground false/Foreground true/g' /etc/clamav/clamd.conf && \
mkdir /var/run/clamav && \
chown -R clamav:root /var/run/clamav && \
rm -rf /var/log/clamav/
#
# Dovecot & MkCert
#
COPY target/dovecot/auth-passwdfile.inc target/dovecot/??-*.conf /etc/dovecot/conf.d/
COPY target/dovecot/sieve/ /etc/dovecot/sieve/
COPY target/dovecot/dovecot-purge.cron /etc/cron.d/dovecot-purge.disabled
RUN chmod 0 /etc/cron.d/dovecot-purge.disabled
WORKDIR /usr/share/dovecot
# hadolint ignore=SC2016,SC2086,SC2069
RUN \
sed -i -e 's/include_try \/usr\/share\/dovecot\/protocols\.d/include_try \/etc\/dovecot\/protocols\.d/g' /etc/dovecot/dovecot.conf && \
sed -i -e 's/#mail_plugins = \$mail_plugins/mail_plugins = \$mail_plugins sieve/g' /etc/dovecot/conf.d/15-lda.conf && \
sed -i -e 's/^.*lda_mailbox_autocreate.*/lda_mailbox_autocreate = yes/g' /etc/dovecot/conf.d/15-lda.conf && \
sed -i -e 's/^.*lda_mailbox_autosubscribe.*/lda_mailbox_autosubscribe = yes/g' /etc/dovecot/conf.d/15-lda.conf && \
sed -i -e 's/^.*postmaster_address.*/postmaster_address = '${POSTMASTER_ADDRESS:="postmaster@domain.com"}'/g' /etc/dovecot/conf.d/15-lda.conf && \
sed -i 's/#imap_idle_notify_interval = 2 mins/imap_idle_notify_interval = 29 mins/' /etc/dovecot/conf.d/20-imap.conf && \
# adapt mkcert for Dovecot community repo
sed -i 's/CERTDIR=.*/CERTDIR=\/etc\/dovecot\/ssl/g' /usr/share/dovecot/mkcert.sh && \
sed -i 's/KEYDIR=.*/KEYDIR=\/etc\/dovecot\/ssl/g' /usr/share/dovecot/mkcert.sh && \
sed -i 's/KEYFILE=.*/KEYFILE=\$KEYDIR\/dovecot.key/g' /usr/share/dovecot/mkcert.sh && \
sed -i 's/RANDFILE.*//g' /usr/share/dovecot/dovecot-openssl.cnf && \
mkdir /etc/dovecot/ssl && \
chmod 755 /etc/dovecot/ssl && \
./mkcert.sh 2>&1 >/dev/null && \
mkdir -p /usr/lib/dovecot/sieve-pipe /usr/lib/dovecot/sieve-filter /usr/lib/dovecot/sieve-global && \
chmod 755 -R /usr/lib/dovecot/sieve-pipe /usr/lib/dovecot/sieve-filter /usr/lib/dovecot/sieve-global
#
# LDAP & SpamAssassin's Cron
#
COPY target/dovecot/dovecot-ldap.conf.ext /etc/dovecot
COPY \
target/postfix/ldap-users.cf \
target/postfix/ldap-groups.cf \
target/postfix/ldap-aliases.cf \
target/postfix/ldap-domains.cf \
/etc/postfix/
# hadolint ignore=SC2016
RUN \
sed -i -r 's/^(CRON)=0/\1=1/g' /etc/default/spamassassin && \
sed -i -r 's/^\$INIT restart/supervisorctl restart amavis/g' /etc/spamassassin/sa-update-hooks.d/amavisd-new
#
# Scripts & Miscellaneous
#
COPY \
./target/bin/* \
./target/scripts/*.sh \
./target/scripts/startup/*.sh \
./target/docker-configomat/configomat.sh \
/usr/local/bin/
RUN \
chmod +x /usr/local/bin/* && \
rm -rf /usr/share/locale/* && \
rm -rf /usr/share/man/* && \
rm -rf /usr/share/doc/* && \
touch /var/log/auth.log && \
update-locale && \
rm /etc/postsrsd.secret && \
rm /etc/cron.daily/00logwatch
#
# PostSRSD, Postgrey & Amavis
#
COPY target/postsrsd/postsrsd /etc/default/postsrsd
COPY target/postgrey/postgrey /etc/default/postgrey
COPY target/postgrey/postgrey.init /etc/init.d/postgrey
RUN \
chmod 755 /etc/init.d/postgrey && \
mkdir /var/run/postgrey && \
chown postgrey:postgrey /var/run/postgrey
COPY target/amavis/conf.d/* /etc/amavis/conf.d/
RUN \
sed -i -r 's/#(@| \\%)bypass/\1bypass/g' /etc/amavis/conf.d/15-content_filter_mode && \
adduser clamav amavis >/dev/null && \
adduser amavis clamav >/dev/null && \
# no syslog user in Debian compared to Ubuntu
adduser --system syslog >/dev/null && \
useradd -u 5000 -d /home/docker -s /bin/bash -p "$(echo docker | openssl passwd -1 -stdin)" docker >/dev/null && \
echo "0 4 * * * /usr/local/bin/virus-wiper" | crontab - && \
chmod 644 /etc/amavis/conf.d/*
# overcomplication necessary for CI
RUN for _ in {1..10}; do su - amavis -c "razor-admin -create" ; sleep 3 ; \
if su - amavis -c "razor-admin -register" &>/dev/null; then { EC=0 ; break ; } ; \
else EC=${?} ; fi ; done ; (exit ${EC})
#
# Fail2Ban, DKIM & DMARC
#
COPY target/fail2ban/jail.conf /etc/fail2ban/jail.conf
COPY target/fail2ban/filter.d/postfix-sasl.conf /etc/fail2ban/filter.d/postfix-sasl.conf
RUN mkdir /var/run/fail2ban
COPY target/opendkim/opendkim.conf /etc/opendkim.conf
COPY target/opendkim/default-opendkim /etc/default/opendkim
COPY target/opendmarc/opendmarc.conf /etc/opendmarc.conf
COPY target/opendmarc/default-opendmarc /etc/default/opendmarc
COPY target/opendmarc/ignore.hosts /etc/opendmarc/ignore.hosts
RUN \
# switch iptables and ip6tables to legacy for Fail2Ban
update-alternatives --set iptables /usr/sbin/iptables-legacy && \
update-alternatives --set ip6tables /usr/sbin/ip6tables-legacy
#
# Fetchmail, Postfix & Let'sEncrypt
#
COPY target/fetchmail/fetchmailrc /etc/fetchmailrc_general
COPY target/postfix/main.cf target/postfix/master.cf /etc/postfix/
COPY target/shared/ffdhe4096.pem /etc/postfix/shared/ffdhe4096.pem
COPY \
target/postfix/header_checks.pcre \
target/postfix/sender_header_filter.pcre \
target/postfix/sender_login_maps.pcre \
/etc/postfix/maps/
RUN \
: >/etc/aliases && \
sed -i 's/START_DAEMON=no/START_DAEMON=yes/g' /etc/default/fetchmail && \
mkdir /var/run/fetchmail && chown fetchmail /var/run/fetchmail && \
curl -s https://letsencrypt.org/certs/lets-encrypt-x3-cross-signed.pem >/etc/ssl/certs/lets-encrypt-x3-cross-signed.pem
#
# Logs
#
RUN \
sed -i -r "/^#?compress/c\compress\ncopytruncate" /etc/logrotate.conf && \
mkdir -p /var/log/mail && \
chown syslog:root /var/log/mail && \
touch /var/log/mail/clamav.log && \
chown -R clamav:root /var/log/mail/clamav.log && \
touch /var/log/mail/freshclam.log && \
chown -R clamav:root /var/log/mail/freshclam.log && \
sed -i -r 's|/var/log/mail|/var/log/mail/mail|g' /etc/rsyslog.conf && \
sed -i -r 's|;auth,authpriv.none|;mail.none;mail.error;auth,authpriv.none|g' /etc/rsyslog.conf && \
sed -i -r 's|LogFile /var/log/clamav/|LogFile /var/log/mail/|g' /etc/clamav/clamd.conf && \
sed -i -r 's|UpdateLogFile /var/log/clamav/|UpdateLogFile /var/log/mail/|g' /etc/clamav/freshclam.conf && \
sed -i -r 's|/var/log/clamav|/var/log/mail|g' /etc/logrotate.d/clamav-daemon && \
sed -i -r 's|invoke-rc.d.*|/usr/bin/supervisorctl signal hup clamav >/dev/null \|\| true|g' /etc/logrotate.d/clamav-daemon && \
sed -i -r 's|/var/log/clamav|/var/log/mail|g' /etc/logrotate.d/clamav-freshclam && \
sed -i -r '/postrotate/,/endscript/d' /etc/logrotate.d/clamav-freshclam && \
sed -i -r 's|/var/log/mail|/var/log/mail/mail|g' /etc/logrotate.d/rsyslog && \
sed -i -r '/\/var\/log\/mail\/mail.log/d' /etc/logrotate.d/rsyslog && \
# prevent syslog logrotate warnings
sed -i -e 's/\(printerror "could not determine current runlevel"\)/#\1/' /usr/sbin/invoke-rc.d && \
sed -i -e 's/^\(POLICYHELPER=\).*/\1/' /usr/sbin/invoke-rc.d && \
# prevent syslog warning about imklog permissions
sed -i -e 's/^module(load=\"imklog\")/#module(load=\"imklog\")/' /etc/rsyslog.conf && \
# prevent email when /sbin/init or init system is not existing
sed -i -e 's|invoke-rc.d rsyslog rotate > /dev/null|/usr/bin/supervisorctl signal hup rsyslog >/dev/null|g' /usr/lib/rsyslog/rsyslog-rotate
#
# Supervisord & Start
#
COPY target/supervisor/supervisord.conf /etc/supervisor/supervisord.conf
COPY target/supervisor/conf.d/* /etc/supervisor/conf.d/
WORKDIR /
EXPOSE 25 587 143 465 993 110 995 4190
ENTRYPOINT ["/usr/bin/dumb-init", "--"]
CMD ["supervisord", "-c", "/etc/supervisor/supervisord.conf"]