Dockerfile

FROM ubuntu:18.04
MAINTAINER Sascha Falk <sascha@falk-online.eu>

# Update image and install additional packages
# -----------------------------------------------------------------------------
ENV DEBIAN_FRONTEND=noninteractive
RUN \
  apt-get -y update && \
  apt-get -y install \
    debootstrap \
    dnsmasq \
    iproute2 \
    iptables \
    sed && \
  apt-get -y autoremove && \
  apt-get clean && \
  rm -rf /var/lib/apt/lists/*

# Copy prepared files into the image
# -----------------------------------------------------------------------------
COPY target /

RUN \
  mkdir /data && \
  chmod 750 /docker-entrypoint.sh

# Volumes
# -----------------------------------------------------------------------------
VOLUME [ "/data" ]

# Expose ports
# -----------------------------------------------------------------------------
# 25/tcp   - SMTP (for incoming mail)
# 80/tcp   - HTTP (for web mail clients)
# 110/tcp  - POP3 (for mail clients)
# 143/tcp  - IMAP (for mail clients)
# 443/tcp  - HTTP over TLS (for web mail clients)
# 465/tcp  - SMTP over SSL (for mail clients)
# 587/tcp  - SMTP (submission, for mail clients)
# 993/tcp  - IMAP over TLS (for mail clients)
# 995/tcp  - POP3 over TLS (for mail clients)
# 5222/tcp - XMPP
# 5223/tcp - XMPP (default legacy port)
# 7071/tcp - HTTPS (admin panel, https://<host>/zimbraAdmin)
# -----------------------------------------------------------------------------
EXPOSE 25 80 110 143 443 465 587 993 995 5222 5223 7071

# configure container startup
# -----------------------------------------------------------------------------
ENTRYPOINT [ "/docker-entrypoint.sh" ]
CMD [ "run" ]