server {
    listen 443 ssl http2;
    listen [::]:443 ssl http2;
    server_name qr.atomic6.net;

    ssl_certificate /etc/letsencrypt/live/qr.atomic6.net/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/qr.atomic6.net/privkey.pem;

    location / {
        proxy_pass http://192.168.1.208:3002;
        
        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;
        
        # Standard headers for potential API/upgrade support
        proxy_http_version 1.1;
        proxy_set_header Connection "";
    }
}

# HTTP redirect (optional but recommended)
server {
    listen 80;
    listen [::]:80;
    server_name qr.atomic6.net;
    return 301 https://$server_name$request_uri;
}