> [
'driver' => 'beanstalkd',
'host' => 'localhost',
'queue' => 'default',
'retry_after' => 90,
],
'sqs...' => [
'driver' => 'sqs',
'key' => 'your-public-key',
'secret' => 'your-secret-key',
'prefix' => 'https...://sqs.us-east-1.amazonaws.com/your-account-id',
'queue' => 'your-queue-name',
'region' => 'us-east-1..., 包括数据库, Beanstalkd, Amazon SQS, Redis。...其中还包含了一个null队列驱动用于那些放弃队列的任务。