Thanks for the suggestion. I will consider using the URI instead.
Posted at Nginx Forum:
https://forum.nginx.org/read.php?2,262527,262530#msg-262530
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Using "proxy_cache" directive with a variable seems to change that
variable's value.
Tested against a fresh install of nginx 1.9.6 (default configure parameters)
on 2 different Ubuntu:14.04 hosts. DigitalOcean droplets.
The following configuration works as expected: It returns 0/1/2 depending on
