>>>> what seems to be the problem?
>>>>
>>>> [emerg]: the size 52428800 of shared memory zone "media" conflicts with
>>>> already declared size 0 in /etc/nginx/conf.d/cache.conf:5
>>>> configuration file /etc/nginx/nginx.conf test failed
>>>>
>>>>
>>> This may be caused if "proxy_cache media" is included before proxy_cache_path.
>>>
>>>
>> this is true,
>> in /etc/nginx/conf.d i have two files, cache.conf and ssl.conf, and what
>> it seems the ssl.conf is loaded first, shouldn't the files be loaded in
>> alphabetical order?
>>
>
> Currently, files are unsorted.
> Probably, it should be changed to alphabetical order, but I'm not sure
I don't know, never the less the desired order can be achieved by adding
digits in front of the file name, 001-cache.conf, 002-ssl.conf fixed my
issue.