First try of gentoo version

core/Dockerfile

@@ -1,19 +1,46 @@
-FROM ubuntu:14.10
+FROM        gentoo-amd64-paludis:latest
+MAINTAINER  Julian Ospald "hasufell@posteo.de"
 
-ENV DEBIAN_FRONTEND noninteractive
-RUN locale-gen en_GB en_GB.UTF-8 && dpkg-reconfigure locales
+# check these with "cave show <package-name>"
+RUN echo -e "*/* acl bash-completion ipv6 kmod openrc pcre readline unicode\
+	zlib pam ssl sasl bzip2 urandom crypt tcpd\
+	-acpi -cairo -consolekit -cups -dbus -dri -gnome -gnutls -gtk -ogg -opengl\
+	-pdf -policykit -qt3support -qt5 -qt4 -sdl -sound -systemd -truetype -vim\
+	-vim-syntax -wayland -X\
+	\n\
+	\nnet-mail/dovecot cydir imapc maildir mbox mdbox pam pop3c sieve sqlite\
+	\n\
+	\nmail-mta/postfix dovecot-sasl mbox sasl" \
+	>> /etc/paludis/use.conf
 
-# Prerequisites
-RUN echo "#!/bin/sh\nexit 0" > /usr/sbin/policy-rc.d && \
-    apt-get update && apt-get install -y \
-    ssl-cert \
-    postfix \
-    dovecot-imapd && \
-    apt-get clean && \
-    rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
+# update world with our USE flags
+RUN chgrp paludisbuild /dev/tty && cave resolve -c world -x
 
-# install nano
-RUN apt-get update && apt-get install -y nano
+# install dovecot
+RUN chgrp paludisbuild /dev/tty && cave resolve -z net-mail/dovecot mail-mta/postfix -x
+
+# install tools
+RUN chgrp paludisbuild /dev/tty && cave resolve -z app-admin/supervisor sys-process/htop -x
+
+# update etc files... hope this doesn't screw up
+RUN etc-update --automode -5
+
+# create dovecot certificates
+RUN mkdir -p /var/tmp/dovecot-cert
+RUN cp /usr/share/doc/dovecot-*/mkcert.sh /var/tmp/dovecot-cert/ ; \
+	cp /usr/share/doc/dovecot-*/dovecot-openssl.cnf /var/tmp/dovecot-cert/
+RUN chmod +x /var/tmp/dovecot-cert/mkcert.sh
+WORKDIR /var/tmp/dovecot-cert
+RUN ./mkcert.sh
+RUN chown root:dovecot /etc/ssl/certs/dovecot.pem ; \
+	chmod 0644 /etc/ssl/certs/dovecot.pem ; \
+	chown root:dovecot /etc/ssl/private/dovecot.pem ; \
+	chmod 0600 /etc/ssl/private/dovecot.pem
+WORKDIR /
+RUN rm -r /var/tmp/dovecot-cert
+
+# create postfix certificates
+RUN openssl req -new -x509 -nodes -out /etc/ssl/certs/postfix.pem -keyout /etc/ssl/private/postfix.key -days 3650 -subj '/CN=www.example.com'
 
 # Postfix configuration
 ADD ./config/postfix.main.cf /etc/postfix/main.cf
@@ -28,8 +55,8 @@ COPY ./config/dovecot.master /etc/dovecot/conf.d/10-master.conf
 COPY ./config/dovecot.lda /etc/dovecot/conf.d/15-lda.conf
 COPY ./config/dovecot.imap /etc/dovecot/conf.d/20-imap.conf
 # Uncomment to add verbose logging
-# COPY ./config/dovecot.logging /etc/dovecot/conf.d/10-logging.conf
-COPY ./config/rsyslog.conf /etc/rsyslog.conf
+COPY ./config/dovecot.logging /etc/dovecot/conf.d/10-logging.conf
+COPY ./config/supervisord.conf /etc/supervisord.conf
 
 # Nice place for your settings
 VOLUME ["/mail_settings"]
@@ -43,9 +70,10 @@ RUN chmod -R 755 /boot.d
 # Volume to store email
 VOLUME ["/vmail"]
 
-# Add user vmail that ownes mail
+# Add user vmail that owns mail
 RUN groupadd -g 5000 vmail
 RUN useradd -g vmail -u 5000 vmail -d /vmail -m
 
 EXPOSE 25 143 587
-ENTRYPOINT /boot; service postfix start; service dovecot start; rsyslogd -n
+
+ENTRYPOINT /boot; /usr/bin/supervisord -n