upload file on live server

application/config/config.php

@@ -23,8 +23,8 @@ defined('BASEPATH') OR exit('No direct script access allowed');
 | a PHP script and you can easily do that on your own.
 |
 */
-//$config['base_url'] = 'https://wbt-2-ty-272811.appspot.com/';
-$config['base_url'] = 'http://localhost/webapp/ci/';
+$config['base_url'] = 'https://wbt-2-ty-272811.appspot.com/';
+//$config['base_url'] = 'http://localhost/webapp/ci/';
 
 /*
 |--------------------------------------------------------------------------
@@ -379,22 +379,22 @@ $config['encryption_key'] = 'femEDWTX$AQ@6HggkKn8RWGf!*ufK?KC';
 | except for 'cookie_prefix' and 'cookie_httponly', which are ignored here.
 |
 */
-//$config['sess_driver'] = 'memcached';
-//$config['sess_cookie_name'] = 'ci_session';
-//$config['sess_expiration'] = 7200;
-//$config['sess_save_path'] = 'localhost:11211';
-//$config['sess_match_ip'] = FALSE;
-//$config['sess_time_to_update'] = 7200;
-//$config['sess_regenerate_destroy'] = FALSE;
-
-$config['sess_driver'] = 'database';
+$config['sess_driver'] = 'memcached';
 $config['sess_cookie_name'] = 'ci_session';
 $config['sess_expiration'] = 7200;
-$config['sess_save_path'] = 'ci_sessions';
+$config['sess_save_path'] = 'localhost:11211';
 $config['sess_match_ip'] = FALSE;
 $config['sess_time_to_update'] = 7200;
 $config['sess_regenerate_destroy'] = FALSE;
 
+//$config['sess_driver'] = 'database';
+//$config['sess_cookie_name'] = 'ci_session';
+//$config['sess_expiration'] = 7200;
+//$config['sess_save_path'] = 'ci_sessions';
+//$config['sess_match_ip'] = FALSE;
+//$config['sess_time_to_update'] = 7200;
+//$config['sess_regenerate_destroy'] = FALSE;
+
 /*
 |--------------------------------------------------------------------------
 | Cookie Related Variables

application/config/database.php

@@ -75,12 +75,12 @@ $query_builder = TRUE;
 
 $db['default'] = array(
 	'dsn'	=> '',
-//	'hostname' => '104.199.82.156',
-//	'username' => 'tetiana',
-//	'password' => 'yaremko_tetiana',
-	'hostname' => 'localhost',
-	'username' => 'root',
-	'password' => '',
+	'hostname' => '104.199.82.156',
+	'username' => 'tetiana',
+	'password' => 'yaremko_tetiana',
+//	'hostname' => 'localhost',
+//	'username' => 'root',
+//	'password' => '',
 	'database' => 'mydb',
 	'dbdriver' => 'mysqli',
 	'dbprefix' => '',