FROM debian:buster ARG DEBIAN_FRONTEND=noninteractive RUN apt update && \ apt install -y cyrus-imapd cyrus-pop3d cyrus-nntpd cyrus-caldav cyrus-admin sasl2-bin && \ echo "admins: cyrus" >> /etc/imapd.conf && \ touch /var/lib/cyrus/tls_sessions.db && \ chown cyrus:mail /var/lib/cyrus/tls_sessions.db && \ mkdir /run/cyrus && \ chown -R cyrus:mail /run/cyrus COPY entrypoint.sh /usr/local/bin/entrypoint.sh CMD [ "/usr/local/bin/entrypoint.sh" ]