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postfix-cloudflare (sha256:b32e69ea8c1808dc97a83dd906613891cd3bddfc72a223ad14d42771dce726aa)

Published 2025-09-12 05:26:48 +00:00 by tilian

Installation

docker pull git.tburg.net/tilian/postfix-cloudflare@sha256:b32e69ea8c1808dc97a83dd906613891cd3bddfc72a223ad14d42771dce726aa
sha256:b32e69ea8c1808dc97a83dd906613891cd3bddfc72a223ad14d42771dce726aa

Image layers

ADD alpine-minirootfs-3.20.7-x86_64.tar.gz / # buildkit
CMD ["/bin/sh"]
LABEL AUTHOR=Tilian Burger <me@tilian.au>
LABEL DESCRIPTION=A Docker image for running Postfix with SSL/TLS and Cloudflare DNS for ACME challenges.
RUN /bin/sh -c apk add --no-cache postfix certbot certbot-dns-cloudflare ca-certificates libcap mailcap opendkim opendkim-utils # buildkit
VOLUME [/etc/letsencrypt]
VOLUME [/var/db/dkim]
ENV POSTFIX_MYNETWORKS=10.0.0.0/8
ENV RELAY_PORT=25
ENV DKIM_SELECTOR=default
ENV DKIM_KEY_SIZE=2048
COPY /usr/bin/caddy /usr/bin/caddy # buildkit
COPY Caddyfile /etc/caddy/Caddyfile # buildkit
COPY opendkim.conf /etc/opendkim.conf # buildkit
COPY docker-entrypoint.sh /usr/local/bin/docker-entrypoint.sh # buildkit
RUN /bin/sh -c chmod +x /usr/local/bin/docker-entrypoint.sh # buildkit
EXPOSE &{[{{27 0} {27 0}}] 0xc000552c80}
ENTRYPOINT ["/usr/local/bin/docker-entrypoint.sh"]

Labels

Key Value
AUTHOR Tilian Burger <me@tilian.au>
DESCRIPTION A Docker image for running Postfix with SSL/TLS and Cloudflare DNS for ACME challenges.
Details
Container
2025-09-12 05:26:48 +00:00
1
OCI / Docker
linux/amd64
56 MiB
Versions (37) View all
main-01f80fd 2025-09-12
latest 2025-09-12
main 2025-09-12
dev-opendkim 2025-09-12
dev-opendkim-3213a3a 2025-09-12