AWS SNS in Laravel

web.php

// Install SDK
// https://github.com/aws/aws-sdk-php-laravel

Route::post('sns', function(\Illuminate\Http\Request $request) {
    $message = json_decode($request->getContent())->Message;
    Log::info([$request->header('content-type'), $message]);

    // do some job.

    return response('', 204);
});

//Line 3 generates the following
//[2016-10-23 06:41:39] local.INFO: array (
//    0 => 'text/plain; charset=UTF-8',
//    1 => '{"type":"updated","model":"store","entries":[1,2,3,4,5]}',
//)

Route::get('sns', function () {
    $topicArn = 'arn:aws:sns:ap-northeast-2:xxxxxxxxxxxx:topic-name';
    $sns = app('aws')->createClient('sns');

    // publish new message
    return $sns->publish([
        'TopicArn' => $topicArn,
        'Message' => json_encode([
            'default' => 'default',
            'http' => json_encode([
                'type' => 'updated',
                'model' => 'store',
                'entries' => [1,2,3,4,5]
            ])
        ]),
        'MessageStructure' => 'json',
    ])->toArray();
});