Resolver not working as expected

[Maxim Dounin]

Hello!

On Mon, Aug 27, 2018 at 06:56:01PM +0530, Sharan J wrote:

> Hi,
> 
> Sample conf:
> 
>     http{
>     resolver x.x.x.x;
>     server {
>     server_name _;
>     location / {
>     proxy_pass http://somedomain.com;
>     }
>     }
> 
> I have nameservers configured in my resolv.conf. But, somedomain.com will
> be configured in x.x.x.x DNS server only. So, I have specified resolver in
> my nginx.conf. However, during startup/reload I get "host not found in
> upstream error". Why nginx is not considering resolver conf and searches
> only in the nameservers configured in resolv.conf?

Names as written in the configuration are resolved while parsing 
the configuration using the system resolver.  DNS servers defined 
by the "resolver" directive are only used for dynamic / run-time 
name resolution - for example, when variables are used in the 
"proxy_pass" directive.

-- 
Maxim Dounin
http://mdounin.ru/