Mod_Rewrite for CDN

I need a Mod_Rewrite rule that will re-direct all references in our web app to a CDN URL instead of loading the images from /img on the localhost. Does开发者_运维百科 anyone have a sample Mod_Rewrite code snippet that would accomplish this? Thanks so much! John

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ProxyPass and ProxyPassReverse are your friends

ProxyPass /img/  http://cdn/imageslocation/
ProxyPassReverse /img/ http://cdn/imageslocation/