如何将子域重定向到特定的子文件夹并重写URL?

Trying to set up a subdomain.

I have jonr.co Working well so far. it goes to a /var/www/jonr.co in apache.

I'm trying to set up promoter.jonr.co to go to /var/www/meetjon-dev with the following url: http://XX.YYY.ZZZ.AAA/meetjon-dev/index.php/promoters

That actually work fine.

Problem is I need to keep the url to promoter.jonr.co so when I go to, say promoter.jonr.co/dashboard it goes to http://XX.YYY.ZZZ.AAA/meetjon-dev/index.php/promoters/dashboard but keep URL to promoter.jonr.co/dashboard

Also when I go to promoter.jonr.co/eventManagement/review/123 it should go to http://XX.YYY.ZZZ.AAA/meetjon-dev/index.php/promoters/eventManagement/review/123 and keep url (in the browser url bar) topromoter.jonr.co/eventManagement/review/123` in the browser

Otherwise, I can't have my Facebook login working as it doesn't work with IP addresses (and IP addresses are ugly).

So doing the following in my .htaccess does redirect promoter.jonr.co to http://XX.YYY.ZZZ.AAA/meetjon-dev/index.php/promoters but then the url changes so I'm half way through.

What should I add to my .htaccess to do so ? (hatches is in /var/www)

RewriteEngine on
RewriteCond %{HTTP_HOST} ^promoter.jonr.co
RewriteRule ^(.*)$ http://XX.YYY.ZZZ.AAA/meetjon-dev/index.php/promoters [L,NC,QSA]

Many Thanks for your time.