server {
    listen 3000;
    server_name localhost;

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

    # Enable compression
    gzip on;
    gzip_types text/plain text/css application/json application/javascript text/xml application/xml text/javascript;

    location / {
        try_files $uri $uri/ /index.html;
        expires 1h;
        add_header Cache-Control "public, no-transform";
    }

    # Serve pre-compressed files if they exist
    location ~ \.(?:js|css|html)$ {
        gzip_static on;
        expires 1h;
        add_header Cache-Control "public, no-transform";
    }
}