JoomlaのNginxの設定

server {
    listen       80;
    server_name  {server_name};
    root         /var/www/vhosts/joomla;

    location / {
        index index.php index.html index.htm;
        try_files $uri $uri/ /index.php?$args;
    }

    # deny running scripts inside writable directories
    location ~* /(images|cache|media|logs|tmp)/.*\.(php|pl|py|jsp|asp|sh|cgi)$ {
        return 403;
    }

    location ~ \.php$ {
        fastcgi_pass   phpfpm;
        fastcgi_index  index.php;
        fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
        include        fastcgi_params;
    }
}

画像などのcacheの設定は入れていません。

公式の設定はこちら

http://docs.joomla.org/Nginx