Use /tmp for temporary files

[MPParsley]

Nginx needs to store some temporary files:

2022/10/03 09:10:52 [emerg] 1#1: mkdir() "/var/cache/nginx/client_temp" failed (13: Permission denied)
nginx: [emerg] mkdir() "/var/cache/nginx/client_temp" failed (13: Permission denied)

Let's store them in /tmp (instead of giving write permissions to /var/cache/nginx):

• http://nginx.org/en/docs/http/ngx_http_core_module.html#client_body_temp_path
• http://nginx.org/en/docs/http/ngx_http_fastcgi_module.html#fastcgi_temp_path
• http://nginx.org/en/docs/http/ngx_http_proxy_module.html#proxy_temp_path
• http://nginx.org/en/docs/http/ngx_http_uwsgi_module.html#uwsgi_temp_path
• http://nginx.org/en/docs/http/ngx_http_scgi_module.html#scgi_temp_path

[rubensworks]

Thanks!