inserted 'fqdn' variable so use of inventory hostname as a fully qualified domain name for managed node or target host services could be overridden

roles/init-server/templates/user/certbot.env.j2

@@ -1,6 +1,6 @@
 CERTBOT_EMAIL="{{ certbot.email }}"
 CERTBOT_AUTHENTICATOR={{ certbot.auth_method }}
-SERVER_WEBROOT_PATH={{ ansible_user_home.stdout + "/srv/acme." + inventory_hostname }}
+SERVER_WEBROOT_PATH={{ ansible_user_home.stdout + "/srv/certbot." + (fqdn | default(inventory_hostname)) }}
 {% if compose.mode == "dev" %}
 # @TODO find a better way to have processed the below in Ansible
 CERTBOT_CHALLENGE_DOMAINS={{ certbot.domains | map("regex_replace", "\\.([^\\.]*)$", ".test") | list | join(",") }}