20 lines
729 B
Docker
20 lines
729 B
Docker
# syntax=docker/dockerfile:1
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FROM alpine:latest
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# install apt packages
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ENV TZ Europe/Berlin
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RUN apk add --no-cache postfix spamassassin rsyslog logrotate xz
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# install s6 process manager
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ADD https://github.com/just-containers/s6-overlay/releases/download/v3.1.1.2/s6-overlay-noarch.tar.xz /tmp
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ADD https://github.com/just-containers/s6-overlay/releases/download/v3.1.1.2/s6-overlay-x86_64.tar.xz /tmp
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RUN <<EOF
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tar -C / -Jxpf /tmp/s6-overlay-noarch.tar.xz
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tar -C / -Jxpf /tmp/s6-overlay-x86_64.tar.xz
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EOF
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COPY ./etc/s6-overlay /etc/s6-overlay
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# install kopano core
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WORKDIR /root
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EXPOSE 25
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VOLUME /var/spool/postfix
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# HEALTHCHECK --start-period=350s CMD echo QUIT|nc localhost 25|grep "220 .* ESMTP Postfix"
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ENTRYPOINT ["/init"]
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