server {
    listen 80 default_server;

    location /.well-known/acme-challenge {
        root /usr/share/nginx/html;
    }

    location / {
        return 301 https://$host$request_uri;
    }
}

server {
    listen 443 ssl default_server;

    ssl_certificate /etc/nginx/ssl/selfsigned.pem;
    ssl_certificate_key /etc/nginx/ssl/selfsigned.key;

    server_tokens off;

    location / {
        return 444;
    }
}