server {
    listen 443 ssl;
    http2 on;
    server_name cloud.labunix.xyz;
    ssl_certificate     /etc/letsencrypt/live/labunix.xyz/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/labunix.xyz/privkey.pem;
    client_max_body_size 2G;

    location / {
        proxy_pass http://127.0.0.1:9091; # adjust if your upstream differs
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
    }
}