[ 'keyvault' => [ 'driver' => 'mysql', 'host' => env('KEYVAULT_DB_HOST', '127.0.0.1'), 'database' => env('KEYVAULT_DB_DATABASE', 'key_vault'), 'username' => env('KEYVAULT_DB_USERNAME', 'vault_user'), 'password' => env('KEYVAULT_DB_PASSWORD', 'secret'), 'charset' => 'utf8mb4', 'collation' => 'utf8mb4_unicode_ci', 'prefix' => env('KEYVAULT_DB_PREFIX', ''), 'strict' => true, 'engine' => null, ], ], ];