18 lines
454 B
Docker
18 lines
454 B
Docker
# syntax=docker.io/docker/dockerfile:1.5.2
|
|
FROM ubuntu:20.04
|
|
# install apt packages
|
|
ENV TZ Europe/Berlin
|
|
RUN <<EOF
|
|
apt-get update
|
|
apt-get install -y postfix
|
|
# cleanup
|
|
apt-get autoclean
|
|
rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* ~/.cache ~/.npm
|
|
echo zntrl.de >>/etc/mailname
|
|
EOF
|
|
COPY etc/postfix/ /etc/postfix/
|
|
COPY --chmod=0775 entrypoint.sh /entrypoint.sh
|
|
EXPOSE 25
|
|
VOLUME /var/spool/postfix
|
|
ENTRYPOINT ["/entrypoint.sh"]
|
|
CMD ["postfix", "start-fg"] |