Synopsis

A docker container which handles letsencrypt certificate creation and renewal. Also on Docker Hub

Code Example

Should be run with:

docker run --rm -it \
--name="letsencrypt" \
-e CF_EMAIL='<CLOUDFLARE_EMAIL>' \
-e CF_KEY='<CLOUDFLARE_KEY>' \
-v letsencrypt/accounts:/letsencrypt/accounts \
-v letsencrypt/certs:/letsencrypt/certs \
-v letsencrypt/domains.txt:/letsencrypt/domains.txt:ro \
tnwhitwell/letsencrypt.sh-cloudflare

The mapped volumes (/letsencrypt/accounts, /letsencrypt/certs, /letsencrypt/domains.txt) should be mapped somewhere static. The certificates will be created in the /certs folder.

Installation

git clone https://github.com/tnwhitwell/letsencrypt-cloudflare-docker
cd letsencrypt-cloudflare-docker
cp run.sh.example run.sh

open run.sh in an editor
edit "<CLOUDFLARE_EMAIL>" and "<CLOUDFLARE_KEY>" to match your cloudflare account

cp domains.txt.example domains.txt
open domains.txt in an editor
enter domains, one line per certificate, with SAN names as per:

example.com alternate.com subdomain.example.com

./run.sh

Credits

Dig for Alpine: https://github.com/sequenceiq/docker-alpine-dig/

Inspiration for script: https://github.com/kappataumu/letsencrypt-cloudflare-hook