server {
    listen 80;
    listen [::]:80;
    
    root /config/www;
    index index.html;
    
    location / {
        try_files $uri $uri/ =404;
    }
    
    # Custom error pages
    error_page 404 /404.html;
    
    # Enable gzip compression
    gzip on;
    gzip_types text/plain text/css application/javascript application/json image/svg+xml;
    gzip_min_length 1000;
    
    # Set cache headers for static assets
    location ~* \.(jpg|jpeg|png|gif|ico|css|js)$ {
        expires 30d;
        add_header Cache-Control "public, no-transform";
    }
}