Based on docker image lojzik/dockerfile-letsencrypt which provides certbot. Check in docker-compose.yml for a working example, just complete haproxy conf file. You have to specify a list of domains, certbot will generate files to validate domain. Lighhtpd will provide theses files. Haproxy will have a txt file with the list of ssl certificates to use. Haproxy has to route traffic to lighttpd for url starting with /.well-known
cp env.template .env change email, api token and domain make run Haproxy will have a txt file with the list of ssl certificates to use.
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