Dynamic proxy_pass hosts

Maxim Dounin mdounin at mdounin.ru
Thu Oct 22 14:00:12 MSD 2009


On Thu, Oct 22, 2009 at 01:17:16PM +0400, Igor Katson wrote:

> In Apache it is possible to dynamically alter the proxy_pass remote
> host, i.e. like this
> RewriteRule ^/proxy_everything/(.*)$ http://$1 [P]
> So I cant extract the host from the URI, or from the environment
> variable etc.
> Is it possible to do the same with nginx?

Yes, proxy_pass supports variables since 0.6.18.  Note that you 
must have resolver defined in nginx config if possible upstream 
hosts include arbitrary hostnames (i.e. not only ip addresses and 
names defined via upstream{} blocks).


Note that wiki topics are a bit garbled, probably it's a good idea 
to consult original docs too (use google translate if you don't 
know Russian):


Maxim Dounin

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