matrix-docker-ansible-deploy/roles/matrix-server/templates/usr-local-bin/matrix-ssl-certificates-renew.j2

#!/bin/bash

# For renewal to work, matrix-nginx-proxy (or another webserver, if matrix-nginx-proxy is disabled)
# need to forward requests for `/.well-known/acme-challenge` to the certbot container.
#
# This can happen inside the container network by proxying to `http://matrix-certbot:80`
# or outside (on the host) by proxying to `http://localhost:{{ matrix_ssl_lets_encrypt_certbot_standalone_http_port }}`.

docker run \
	--rm \
	--name=matrix-certbot \
	--network="{{ matrix_docker_network }}" \
	-p 127.0.0.1:{{ matrix_ssl_lets_encrypt_certbot_standalone_http_port }}:80 \
	-v {{ matrix_ssl_config_dir_path }}:/etc/letsencrypt \
	-v {{ matrix_ssl_log_dir_path }}:/var/log/letsencrypt \
	{{ matrix_ssl_lets_encrypt_certbot_docker_image }} \
	renew \
		--non-interactive \
		{% if matrix_ssl_lets_encrypt_staging %}
			--staging \
		{% endif %}
		--quiet \
		--standalone \
		--preferred-challenges http \
		--agree-tos \
		--email={{ matrix_ssl_lets_encrypt_support_email }}