docker-postfix/Dockerfile
2021-02-24 15:54:23 +01:00

53 lines
2.2 KiB
Docker

ARG ALPINE_VERSION=latest
FROM alpine:${ALPINE_VERSION} as build
ARG SASL_XOAUTH2_REPO_URL=https://github.com/tarickb/sasl-xoauth2.git
ARG SASL_XOAUTH2_GIT_REF=release-0.10
RUN true && \
apk add --no-cache --upgrade git && \
apk add --no-cache --upgrade cmake clang make gcc g++ libc-dev pkgconfig curl-dev jsoncpp-dev cyrus-sasl-dev && \
git clone --depth 1 --branch ${SASL_XOAUTH2_GIT_REF} ${SASL_XOAUTH2_REPO_URL} /sasl-xoauth2 && \
cd /sasl-xoauth2 && \
mkdir build && \
cd build && \
cmake -DCMAKE_INSTALL_PREFIX=/ .. && \
make
FROM alpine:${ALPINE_VERSION}
LABEL maintaner="Bojan Cekrlic - https://github.com/bokysan/docker-postfix/"
# Install supervisor, postfix
# Install postfix first to get the first account (101)
# Install opendkim second to get the second account (102)
RUN true && \
apk add --no-cache --upgrade cyrus-sasl cyrus-sasl-static cyrus-sasl-digestmd5 cyrus-sasl-crammd5 cyrus-sasl-login cyrus-sasl-ntlm && \
apk add --no-cache postfix && \
apk add --no-cache opendkim && \
apk add --no-cache --upgrade ca-certificates tzdata supervisor rsyslog musl musl-utils bash opendkim-utils libcurl jsoncpp lmdb && \
(rm "/tmp/"* 2>/dev/null || true) && (rm -rf /var/cache/apk/* 2>/dev/null || true)
# Copy SASL-XOAUTH2 plugin
COPY --from=build /sasl-xoauth2/build/src/libsasl-xoauth2.so /usr/lib/sasl2/
# Set up configuration
COPY /configs/supervisord.conf /etc/supervisord.conf
COPY /configs/rsyslog*.conf /etc/
COPY /configs/opendkim.conf /etc/opendkim/opendkim.conf
COPY /configs/smtp_header_checks /etc/postfix/smtp_header_checks
COPY /scripts/*.sh /
RUN chmod +x /run.sh /opendkim.sh
# Set up volumes
VOLUME [ "/var/spool/postfix", "/etc/postfix", "/etc/opendkim/keys" ]
# Run supervisord
USER root
WORKDIR /tmp
HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 CMD printf "EHLO healthcheck\n" | nc 127.0.0.1 587 | grep -qE "^220.*ESMTP Postfix"
EXPOSE 587
CMD [ "/bin/sh", "-c", "/run.sh" ]