server {
    listen 80;
    server_name tools.abaj.ai;

    # Frontend
    location / {
        root /var/www/tools.abaj.ai/frontend;
        index index.html;
        try_files $uri $uri/ /index.html;
    }

    # Backend API
    location /api/ {
        proxy_pass http://localhost:27439/;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection 'upgrade';
        proxy_set_header Host $host;
        proxy_cache_bypass $http_upgrade;
    }
}