title: Move wp-admin to a subdomain on separate server wordpress
body: <p>I have a wordpress site, <code>foo.com</code>. For various reasons, mainly caching, I need to move the wp-admin area to a subdomain <code>admin.foo.com</code> which is hosted on a separate server.</p>
  
  <p>What's the best way to approach this, would a straight .htaccess rewirte work? I've seen that you can set <code>WP_ADMIN_URL</code> in wp-config.php but how do you separate the site in such a way that the amin sits on a different server than the rest of the site.</p>