ansible-roles/nginx/templates/letsencrypt-proxy.conf.j2

# Include this one inside a "server" directive listening on port 80, this way:
# include /etc/nginx/snippets/letsencrypt-proxy.conf
    location ^~ /.well-known/acme-challenge {
        proxy_pass http://127.0.0.1:{{ letsencrypt_acme_standalone_port}}/.well-known/acme-challenge;
        access_log /var/log/nginx/letsencrypt_acmetool_access.log;
        error_log /var/log/nginx/letsencrypt_acmetool_error.log;
    }