13 lines
324 B
Docker
13 lines
324 B
Docker
# syntax=docker/dockerfile:1.3-labs
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FROM ubuntu:20.04
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# install apt packages
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RUN <<EOF
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apt-get update -y
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apt-get install -y postfix spampd
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apt-get autoclean
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rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* ~/.cache ~/.npm
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EOF
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WORKDIR /root
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EXPOSE 25
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VOLUME /var/spool/postfix
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ENTRYPOINT ["/usr/sbin/postmulti -i %i -p start"] |