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postfix-cloudflare (sha256:56b9cdb253802629e38ef3b1e424da4947760d9028e3934378f0372c83718272)

Published 2025-09-12 03:39:54 +00:00 by tilian

Installation

Pull the image from the command line:

docker pull git.tburg.net/tilian/postfix-cloudflare@sha256:56b9cdb253802629e38ef3b1e424da4947760d9028e3934378f0372c83718272

Digest

sha256:56b9cdb253802629e38ef3b1e424da4947760d9028e3934378f0372c83718272

For more information on the Container registry, see the documentation.

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 # buildkit

VOLUME [/etc/letsencrypt]

ENV POSTFIX_MYNETWORKS=10.0.0.0/8

ENV RELAY_PORT=25

COPY docker-entrypoint.sh /usr/local/bin/docker-entrypoint.sh # buildkit

RUN /bin/sh -c chmod +x /usr/local/bin/docker-entrypoint.sh # buildkit

COPY /usr/bin/caddy /usr/bin/caddy # buildkit

COPY Caddyfile /etc/caddy/Caddyfile # buildkit

EXPOSE &{[{{24 0} {24 0}}] 0xc000898080}

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 03:39:54 +00:00

1

OCI / Docker

linux/amd64

46 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