gistfile1.txt

fastcgi_cache_path      /var/lib/nginx/cache levels=1:2 keys_zone=c5:10m inactive=5m;
fastcgi_cache_key "$scheme$request_method$host$request_uri";
fastcgi_cache_use_stale error timeout invalid_header http_500;

gistfile2.txt

fastcgi_pass unix:/tmp/the_domain_name.php5-fpm.sock;
fastcgi_cache_bypass $skip_cache;
fastcgi_no_cache $skip_cache;
fastcgi_cache c5;
fastcgi_cache_valid   any      1m;