- FROM alpine:3.10
- RUN apk add postfix
- # http://www.postfix.org/MAILLOG_README.html
- RUN postconf -F | grep -E '^postlog/unix-dgram/service = postlog$' \
- && postconf -evv maillog_file=/dev/stdout \
- && postfix check
- # http://www.postfix.org/postconf.5.html#queue_directory
- VOLUME /var/spool/postfix
- EXPOSE 25/tcp
- COPY postfix.sh /
- CMD ["/postfix.sh"]
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