server {
    listen 80;
    server_name localhost;

    root /usr/share/nginx/html;
    index index.html;

    # Gzip settings for better performance
    gzip on;
    gzip_min_length 1000;
    gzip_proxied expired no-cache no-store private auth;
    gzip_types text/plain text/css application/json application/javascript application/x-javascript text/xml application/xml application/xml+rss text/javascript;

    location /ftp/ {
        alias /usr/share/nginx/html/ftp/;
        try_files $uri $uri/ /ftp/index.html;
    }

    # Handle assets explicitly if needed, but the above generic rule covers it if files exist
    # If the user requests /ftp/assets/..., the alias maps it to /usr/share/nginx/html/ftp/assets/...
}