Nginx-Configuration with Fast-CGI, Mod Pagespeed, CDN CORS

# Find full tutorial at: http://mikeg.de/project/cloud-nginx-server-wordpress/

worker_processes	1;
pid	/var/run/nginx.pid;

events {
	worker_connections 	1024;
}


http {
	include		mime.types;
	include		pagespeed_libraries.conf;
	include		fastcgi.conf;
	default_type	application/octet-stream;

	log_format 	main  '$remote_addr - $remote_user [$time_local] "$request" '
			'$status $body_bytes_sent "$http_referer" '
			'"$http_user_agent" "$http_x_forwarded_for"';

	log_format	cache '$remote_addr - $remote_user [$time_local]  '
			'"$request" $status $body_bytes_sent '
			'"$http_referer" "$http_user_agent" nocache:$skip_cache '
			'$upstream_cache_status';

	access_log	/var/log/nginx/access.log  main;
	error_log	/var/log/nginx/error.log debug;

	sendfile		on;
	keepalive_timeout	65;
	tcp_nodelay		on;

	server_names_hash_bucket_size  128;

	pagespeed On;
	pagespeed FileCachePath /var/cache/nginx/ngx_pagespeed;
	pagespeed ModPagespeedRewriteLevel CoreFilters;

	# Use gzip compression
	# gzip_static		on;  # Uncomment if you compiled Nginx using --with-http_gzip_static_module
	gzip			on;
	gzip_vary		on;
	gzip_proxied		any;
	gzip_comp_level	6;
	gzip_buffers		16 8k;
	gzip_http_version	1.1;
	gzip_types		text/plain text/css text/javascript text/xml application/json application/x-javascript application/xml application/xm$ application/xml+rss image/png image/gif image/jpeg;
	gzip_disable		"MSIE [1-6]\.(?!.*SV1)";

	# Fast-CGI cache
	fastcgi_cache_path		/var/cache/nginx/wordpress levels=1:2 keys_zone=WORDPRESS:100m inactive=60m;
	fastcgi_cache_path		/var/cache/nginx/system levels=1:2 keys_zone=SYSTEM:100m inactive=60m;
	fastcgi_cache_key		"$scheme$request_method$host$request_uri";
	fastcgi_cache_use_stale	error timeout invalid_header http_500;

	add_header X-Cache $upstream_cache_status;

	server {
		listen		80;
		server_name	YOUR_AMAZON_IP;
		root		/srv/system/;
		index		index.html index.htm;

		location ~ "\.pagespeed\.([a-z]\.)?[a-z]{2}\.[^.]{10}\.[^.]+" { add_header "" ""; }
		location ~ "^/ngx_pagespeed_static/" { }
		location ~ "^/ngx_pagespeed_beacon$" { }
		location /ngx_pagespeed_statistics { allow 127.0.0.1; deny all; }
		location /ngx_pagespeed_global_statistics { allow 127.0.0.1; deny all; }
		location /ngx_pagespeed_message { allow 127.0.0.1; deny all; }
		location /pagespeed_console { allow 127.0.0.1; deny all; }

		location ~ \.php$ {
			fastcgi_cache SYSTEM;
			fastcgi_cache_valid  200 60m;

			include			fastcgi_params;
			fastcgi_pass		unix:/var/run/php5-fpm.sock;
			fastcgi_index		index.php;
			fastcgi_param		SCRIPT_FILENAME $request_filename;
		 }

		# Include security configuration
		include sites-available/security.conf;
	}

	# Normalization
	server {
		listen		80;

		# On production sites add IP for good SEO
		server_name	www.YOUR_AMAZON_DNS;
		return		301 $scheme://mikeg.de$request_uri;
	}

	server {
		listen		80 default_server;
		server_name	YOUR_AMAZON_DNS;
		root		/srv/wordpress/;
		index		index.php;

		# Turned off since W3 Total Cache will handle caching
		# and mod_pagespeed won't enhance WP: http://wordpress.org/support/topic/plugin-w3-total-cache-googles-mod_pagespeed-and-w3
		pagespeed Off;

		access_log		/var/log/nginx/wordpress.log cache;
		error_log		/var/log/nginx/wordpress.error.log debug;

		rewrite_log		on;

		# Include nginx.conf made by W3 Total Cache
		#include /srv/wordpress/nginx.conf;

		# Include common WordPress configuration
		include sites-available/wordpress-common.conf;

		# Include security configuration
		include sites-available/security.conf;

		# Manual rewrites
		# rewrite ^/your-url.* http://$server_name/ permanent;
	}

	# CDN Sub-Domain configuration with CORS
	server {
		listen		80;
		server_name	cdn-01.YOUR_AMAZON_DNS;
		root		/srv/wordpress/;

		access_log /var/log/nginx/cdn.wordpress.access.log;
		error_log  /var/log/nginx/cdn.wordpress.error.log;

		# Include CDN configuration
		include sites-available/cdn.conf;
	}

}