Running php site with php5-fpm behind nginx (centos 7)

If you're using latest version of nginx nginx-1.14.1-1.el7_4.ngx.x86_64, then by default in /etc/nginx/ you will have this files:

[centos@ip-172-31-37-214 ~]$ ls -la /etc/nginx
total 56
drwxr-xr-x.  3 root root 4096 Nov  7 07:41 .
drwxr-xr-x. 91 root root 8192 Nov  7 07:28 ..
drwxr-xr-x.  2 root root   89 Nov  7 07:37 conf.d
-rw-r--r--.  1 root root 1007 Nov  6 14:04 fastcgi_params
-rw-r--r--.  1 root root 2837 Nov  6 14:04 koi-utf
-rw-r--r--.  1 root root 2223 Nov  6 14:04 koi-win
-rw-r--r--.  1 root root 5170 Nov  6 14:04 mime.types
lrwxrwxrwx.  1 root root   29 Nov  7 07:28 modules -> ../../usr/lib64/nginx/modules
-rw-r--r--.  1 root root  643 Nov  6 13:54 nginx.conf
-rw-r--r--.  1 root root  636 Nov  6 14:04 scgi_params
-rw-r--r--.  1 root root  664 Nov  6 14:04 uwsgi_params
-rw-r--r--.  1 root root 3610 Nov  6 14:04 win-utf