server {
    listen 443 ssl http2;
    listen [::]:443 ssl http2;
    server_name ${server_name};

    ssl_certificate /var/lib/dehydrated/certs/${server_name}/fullchain.pem;
    ssl_certificate_key /var/lib/dehydrated/certs/${server_name}/privkey.pem;

    location / {
        default_type text/html;
        return 200 "<!DOCTYPE html><h2>${title}</h2>${message}\n";
    }
}