Use separate app config files for web/console requests

cms/config/app.console.php

@@ -0,0 +1,19 @@
+<?php
+/**
+ * Yii Console Application Config
+ *
+ * Edit this file at your own risk!
+ *
+ * The array returned by this file will get merged with
+ * vendor/craftcms/cms/src/config/app.php and app.[web|console].php, when
+ * Craft's bootstrap script is defining the configuration for the entire
+ * application.
+ *
+ * You can define custom modules and system components, and even override the
+ * built-in system components.
+ *
+ * This application config is applied only for *only* console requests
+ */
+
+return [
+];

cms/config/app.php

@@ -5,12 +5,16 @@
  * Edit this file at your own risk!
  *
  * The array returned by this file will get merged with
- * vendor/craftcms/cms/src/config/app/main.php and [web|console].php, when
+ * vendor/craftcms/cms/src/config/app.php and app.[web|console].php, when
  * Craft's bootstrap script is defining the configuration for the entire
  * application.
  *
  * You can define custom modules and system components, and even override the
  * built-in system components.
+ *
+ * If you want to modify the application config for *only* web requests or
+ * *only* console requests, create an app.web.php or app.console.php file in
+ * your config/ folder, alongside this one.
  */
 
 return [
@@ -38,16 +42,5 @@
                 'database' => getenv('REDIS_CRAFT_DB'),
             ],
         ],
-        'session' => [
-            'class' => \yii\redis\Session::class,
-            'redis' => [
-                'hostname' => getenv('REDIS_HOSTNAME'),
-                'port' => getenv('REDIS_PORT'),
-                'database' => getenv('REDIS_CRAFT_DB'),
-            ],
-            'as session' => [
-                'class' => \craft\behaviors\SessionBehavior::class,
-            ],
-        ],
     ],
 ];

cms/config/app.web.php

@@ -0,0 +1,32 @@
+<?php
+/**
+ * Yii Web Application Config
+ *
+ * Edit this file at your own risk!
+ *
+ * The array returned by this file will get merged with
+ * vendor/craftcms/cms/src/config/app.php and app.[web|console].php, when
+ * Craft's bootstrap script is defining the configuration for the entire
+ * application.
+ *
+ * You can define custom modules and system components, and even override the
+ * built-in system components.
+ *
+ * This application config is applied only for *only* web requests
+ */
+
+return [
+    'components' => [
+        'session' => [
+            'class' => \yii\redis\Session::class,
+            'redis' => [
+                'hostname' => getenv('REDIS_HOSTNAME'),
+                'port' => getenv('REDIS_PORT'),
+                'database' => getenv('REDIS_CRAFT_DB'),
+            ],
+            'as session' => [
+                'class' => \craft\behaviors\SessionBehavior::class,
+            ],
+        ],
+    ],
+];