兼容环境变量

config/database.php

@@ -85,11 +85,11 @@ return [
 
         'mongodb' => [
             'driver'   => 'mongodb',
-            'host'     => 'mongo.eoffcn.com',
-            'port'     => '28017',
+            'host'     => env('mg_host')??'mongo.eoffcn.com',
+            'port'     => env('mg_port')??'28017',
             'database' => 'video_media',
-            'username' => 'root',
-            'password' => 'FHHTH98AWAPoyweEasdfadfaaf',
+            'username' => env('mg_username')??'root',
+            'password' => env("mg_password")??'FHHTH98AWAPoyweEasdfadfaaf',
             'options'  => [
                 'database' => 'admin', // sets the authentication database required by mongo 3
             ]