nginx+php-fpm+ci

codeigniter.conf

location ~* \.(ico|css|js|gif|jpe?g|png)(\?[0-9]+)?$ {
	expires max;
	log_not_found off;
}

location / {
	try_files $uri $uri/ /index.php;
}

location ~* \.php$ {
	include fastcgi_params;
	fastcgi_pass 127.0.0.1:9000;
	fastcgi_index index.php;
	fastcgi_split_path_info ^(.+\.php)(.*)$;

	fastcgi_connect_timeout 60;
	fastcgi_send_timeout 180;
	fastcgi_read_timeout 180;
	fastcgi_buffer_size 128k;
	fastcgi_buffers 4 256k;
	fastcgi_busy_buffers_size 256k;
	fastcgi_temp_file_write_size 256k;
	fastcgi_intercept_errors on;
}

virtualhost.conf

server {
	listen 80;
	server_name domain.com www.domain.com;
	
	index index.php index.html index.htm;
	root /home/deployer/domain.com/public_html;
	access_log /home/deployer/domain.com/logs/access.log;

	include /etc/nginx/includes/codeigniter.conf;

	location ~ /\.ht {
		deny all;
	}
}