Add filesystem configuration.

config/filesystems.php

+<?php
+
+return [
+
+	/*
+	|--------------------------------------------------------------------------
+	| Default Filesystem Disk
+	|--------------------------------------------------------------------------
+	|
+	| Here you may specify the default filesystem disk that should be used
+	| by the framework. A "local" driver, as well as a variety of cloud
+	| based drivers are available for your choosing. Just store away!
+	|
+	| Supported: "local", "s3", "rackspace"
+	|
+	*/
+
+	'default' => 'local',
+
+	/*
+	|--------------------------------------------------------------------------
+	| Default Cloud Filesystem Disk
+	|--------------------------------------------------------------------------
+	|
+	| Many applications store files both locally and in the cloud. For this
+	| reason, you may specify a default "cloud" driver here. This driver
+	| will be bounc as the Cloud disk implementation in the container.
+	|
+	*/
+
+	'cloud' => 's3',
+
+	/*
+	|--------------------------------------------------------------------------
+	| Filesystem Disks
+	|--------------------------------------------------------------------------
+	|
+	| Here you may configure as many filesystem "disks" as you wish, and you
+	| may even configure multiple disks of the same driver. Defaults have
+	| been setup for each driver as an example of the required options.
+	|
+	*/
+
+	'disks' => [
+
+		'local' => [
+			'driver' => 'local',
+			'root'   => base_path(),
+		],
+
+		's3' => [
+			'driver' => 's3',
+			'key'    => 'your-key',
+			'secret' => 'your-secret',
+			'bucket' => 'your-bucket',
+		],
+
+		'rackspace' => [
+			'driver'    => 'rackspace',
+			'username'  => 'your-username',
+			'key'       => 'your-key',
+			'container' => 'your-container',
+			'endpoint'  => 'https://identity.api.rackspacecloud.com/v2.0/',
+			'region'    => 'IAD',
+		],
+
+	],
+
+];