server {
    listen 80;
    server_name firewall.example.com;

    location /api {
        proxy_pass http://127.0.0.1:8080;
        proxy_set_header X-Real-IP $remote_addr;
    }

    location / {
        root /var/www/firewall-frontend;
        try_files $uri $uri/ /index.html;
    }
}