Symfony2 minimal nginx+php-fpm configuration

nginx.conf

upstream symfony2-php-fpm {
        server unix:/var/run/php5-fpm.sock;
        #server 127.0.0.1:9001;
}

server {
        listen 80;
        server_name sitename;
        root /var/www/$host/web;

        error_log /var/log/nginx/sitename.error.log;
        access_log /var/log/nginx/sitename.access.log;

        set $is_dev 1;

        set $core 'app.php';
        if ( $is_dev ) {
                set $core 'app_dev.php';
        }

        rewrite ^/app(_dev)?\.php/?(.*)$ /$2 permanent;

        location / {
                index $core;
                try_files $uri @rewriteapp;
        }

        location @rewriteapp {
                rewrite ^(.*)$ /$core/$1 last;
        }

        # Deny all . files
        location ~ /\. {
                deny all;
        }

        location ~ ^/(app|app_dev|config)\.php(/|$) {
                fastcgi_split_path_info ^(.+\.php)(/.*)$;
                include fastcgi_params;
                fastcgi_param  SCRIPT_FILENAME $document_root$fastcgi_script_name;
                fastcgi_index $core;
                send_timeout 1800;
                fastcgi_read_timeout 1800;
                fastcgi_pass symfony2-php-fpm;
        }

        # Statics
        location /(bundles|media) {
                access_log off;
                expires 30d;

                try_files $uri @rewriteapp;
        }
}