update config

config/common/di/yii-connection.php

@@ -2,20 +2,36 @@
 
 declare(strict_types=1);
 
+use yiisoft\Definitions\DynamicReference;
+use yiisoft\Definitions\Reference;
+
 use Yiisoft\Db\Connection\ConnectionInterface;
 use Yiisoft\Db\Mysql\ConnectionPDO;
 
 use Yiisoft\Db\Driver\PDO\PDODriverInterface;
 use Yiisoft\Db\Mysql\PDODriver;
 
+use Yiisoft\Db\Mysql\Dsn;
+
+/** @var array $params */
+
 return [
     ConnectionInterface::class => ConnectionPDO::class,
     PDODriverInterface::class => PDODriver::class,
     PDODriver::class => [
         '__construct()' => [
-            'dsn' => $params['db']['dsn'],
+            'dsn' => DynamicReference::to(static fn (Dsn $dsn) => $dsn->asString()),
             'username' => $params['db']['username'],
             'password' => $params['db']['password'],
         ]
+    ],
+    Dsn::class => [
+        '__construct()' => [
+            'driver' => $params['db']['driver'],
+            'host' => $params['db']['host'],
+            'databaseName' => $params['db']['databaseName'],
+            'port' => $params['db']['port'],
+            'options' => $params['db']['options']
+        ]
     ]
 ];

config/common/params.php

@@ -2,18 +2,6 @@
 
 declare(strict_types=1);
 
-use Yiisoft\Db\Mysql\Dsn;
-
-$db = [
-    'driver' => 'mysql',
-    'host' => 'localhost',
-    'databaseName' => 'acdts3',
-    'port' => '3306',
-    'options' => ['charset' => 'utf8mb4'],
-    'username' => 'root',
-    'password' => 'mylittlepony',
-];
-
 return [
     'app' => [
         'charset' => 'UTF-8',
@@ -26,19 +14,17 @@ return [
     'yiisoft/aliases' => [
         'aliases' => [
             '@root' => dirname(__DIR__, 2),
-            '@assets' => '@root/public/assets',
-            '@public' => '@root/public',
             '@runtime' => '@root/runtime',
             '@vendor' => '@root/vendor',
         ],
     ],
-    'db' => array_merge($db, [
-        'dsn' => (new Dsn(
-            $db['driver'],
-            $db['host'],
-            $db['databaseName'],
-            $db['port'],
-            $db['options']
-        ))->asString(),
-    ]),
+    'db' => [
+        'driver' => 'mysql',
+        'host' => 'localhost',
+        'databaseName' => 'acdts3',
+        'port' => '3306',
+        'options' => ['charset' => 'utf8mb4'],
+        'username' => 'root',
+        'password' => 'mylittlepony',
+    ]
 ];

config/web/params.php

@@ -2,5 +2,15 @@
 
 declare(strict_types=1);
 
+use Yiisoft\Definitions\Reference;
+
 return [
+    'yiisoft/aliases' => [
+        'aliases' => [
+            '@public' => '@root/public',
+            '@assets' => '@public/assets',
+            '@layout' => '@root/templates/default',
+            '@views' => '@root/templates/default',
+        ],
+    ],
 ];