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# syntax=docker/dockerfile-upstream:1.4.3
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FROM base
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ARG VERSION=local
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LABEL version=$VERSION
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RUN set -euxo pipefail \
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&& apk add --no-cache postfix postfix-pcre cyrus-sasl-login rsyslog logrotate \
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&& pip install --no-cache-dir --only-binary=:all: postfix-mta-sts-resolver==1.0.1 \
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|| ( apk add --no-cache --virtual .build-deps gcc musl-dev python3-dev py3-wheel libffi-dev \
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&& pip3 install postfix-mta-sts-resolver==1.0.1 \
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&& apk del .build-deps )
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COPY conf /conf
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COPY start.py /start.py
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RUN echo $VERSION >> /version
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EXPOSE 25/tcp 10025/tcp
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HEALTHCHECK --start-period=350s CMD echo QUIT|nc localhost 25|grep "220 .* ESMTP Postfix"
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VOLUME ["/queue"]
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CMD /start.py
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