https://hub.docker.com/r/linuxserver/letsencrypt/
im using a docker container of the lets encrypt
im using portainer to manage my containers.
below is my config
docker create
–cap-add=NET_ADMIN
–name=letsencrypt
–restart always
–net=int_net
–ip=192.168.70.242
-v /var/lib/docker/volumes/letsencrypt_config/_data:/config
-e PGID=1001 -e PUID=1001
-e EMAIL=ben@marcuse.net.au
-e URL=marcuse.net.au
-e SUBDOMAINS= wildcard
-e VALIDATION=dns
-e DNSPLUGIN= cloudflare
-p 80:80 -p 443:443
-e TZ=Australia/Sydney
linuxserver/letsencrypt