Laravel 5.2 AWS S3 Bucket image upload Error

I want to upload my image files into my s3 bucket.but got error

my code

$image = $request->file('photo_one');
$imageFileName = time() . '.' . $image->getClientOriginalExtension(); 
$s3 = \Storage::disk('s3');
$filePath = '/products/' . $imageFileName;
$s3->put($filePath, file_get_contents($image), 'public');

My File System Configuration

's3' => [
    'driver' => 's3',
    'key'    => 'xxxxx',
    'secret' => 'xxxxx',
    'region' => 'Oregon',
    'bucket' => 'xxxxx',
],

I am getting error

        Error executing "PutObject" on "http://ift.tt/2142GLD
    /xxx/1455525865.jpeg"; AWS HTTP error: cURL 
error 6: Could not resolve host: s3.Oregon.amazonaws.com
    (see http://ift.tt/1mgwZgQ)

via Chebli Mohamed