Lumen db persistent connection (#4527)

frameworks/PHP/lumen/config/database.php

@@ -0,0 +1,92 @@
+<?php
+
+return [
+
+    /*
+    |--------------------------------------------------------------------------
+    | Default Database Connection Name
+    |--------------------------------------------------------------------------
+    |
+    | Here you may specify which of the database connections below you wish
+    | to use as your default connection for all database work. Of course
+    | you may use many connections at once using the Database library.
+    |
+    */
+
+    'default' => env('DB_CONNECTION', 'mysql'),
+
+    /*
+    |--------------------------------------------------------------------------
+    | Database Connections
+    |--------------------------------------------------------------------------
+    |
+    | Here are each of the database connections setup for your application.
+    | Of course, examples of configuring each database platform that is
+    | supported by Laravel is shown below to make development simple.
+    |
+    |
+    | All database work in Laravel is done through the PHP PDO facilities
+    | so make sure you have the driver for your particular database of
+    | choice installed on your machine before you begin development.
+    |
+    */
+
+    'connections' => [
+        
+        'mysql' => [
+            'driver' => 'mysql',
+            'host' => env('DB_HOST', '127.0.0.1'),
+            'port' => env('DB_PORT', '3306'),
+            'database' => env('DB_DATABASE', 'forge'),
+            'username' => env('DB_USERNAME', 'forge'),
+            'password' => env('DB_PASSWORD', ''),
+            'unix_socket' => env('DB_SOCKET', ''),
+            'charset' => 'utf8mb4',
+            'collation' => 'utf8mb4_unicode_ci',
+            'prefix' => '',
+            'strict' => true,
+            'engine' => null,
+            'options'=> [
+                PDO::ATTR_PERSISTENT => true,
+            ],
+        ],
+    ],
+
+    /*
+    |--------------------------------------------------------------------------
+    | Migration Repository Table
+    |--------------------------------------------------------------------------
+    |
+    | This table keeps track of all the migrations that have already run for
+    | your application. Using this information, we can determine which of
+    | the migrations on disk haven't actually been run in the database.
+    |
+    */
+
+    'migrations' => 'migrations',
+
+    /*
+    |--------------------------------------------------------------------------
+    | Redis Databases
+    |--------------------------------------------------------------------------
+    |
+    | Redis is an open source, fast, and advanced key-value store that also
+    | provides a richer set of commands than a typical key-value systems
+    | such as APC or Memcached. Laravel makes it easy to dig right in.
+    |
+    */
+
+    'redis' => [
+
+        'client' => 'predis',
+
+        'default' => [
+            'host' => env('REDIS_HOST', '127.0.0.1'),
+            'password' => env('REDIS_PASSWORD', null),
+            'port' => env('REDIS_PORT', 6379),
+            'database' => 0,
+        ],
+
+    ],
+
+];