1. Different database use different connections.(According to issue #2)

1. You can chose different Redis connections.(According to issue #1)

1. Move cache driver to Target\PHPRedis\Cache .
2. Add a Queue driver.

• Install PhpRedis
• Run composer require targetliu/phpredis
• Configure redis in .env

• Add $app->register(TargetLiu\PHPRedis\PHPRedisServiceProvider::class); in bootstrap/app.php

• Add $app->register(TargetLiu\PHPRedis\Cache\CacheServiceProvider::class); in bootstrap/app.php in order to use PhpRedis with Lumen cache
• Add

'phpredis' => [
    'driver' => 'phpredis',
    'connection' => 'default',
],

to stores in config/cache.php or vendor/larvel/lumen-framework/config/app.php in order to use PhpRedis with Lumen cache

• Set CACHE_DRIVER=phpredis in .env

• Add $app->register(TargetLiu\PHPRedis\Queue\QueueServiceProvider::class); in bootstrap/app.php in order to use PhpRedis with Lumen queue
• Add

'phpredis' => [
    'driver'     => 'phpredis',
	'connection' => 'default',
	'queue'      => 'default',
	'expire'     => 60,
],

to connections in config/queue.php or vendor/larvel/lumen-framework/config/queue.php in order to use PhpRedis with Lumen queue

• Set QUEUE_DRIVER=phpredis in .env

• With app('phpredis') , read PhpRedis document
• With app('cache') , read Lumen document
• With app('queue') , read Lumen document

• Blog:http://targetliu.com