proxy_cache is not working

[Maxim Dounin]

Hello!

On Tue, May 17, 2016 at 08:39:00AM -0400, reaper wrote:

> nginx is not caching anything. Every request that's supposed to be cached
> has "http cacheable: 0" in debug log.
> 
> Test request is a static page with headers like those
> 
> < HTTP/1.1 200 OK
> < Date: Tue, 17 May 2016 12:23:36 GMT
> < Server: Apache/2.2.15 (CentOS)
> < X-Powered-By: PHP/5.5.32
> < Content-Length: 5
> < Connection: close
> < Content-Type: text/html; charset=UTF-8
> 
> Can you please suggest anything?

You need to configure proxy_cache_valid for nginx to cache such a 
response, see http://nginx.org/r/proxy_cache_valid.

-- 
Maxim Dounin
http://nginx.org/