refs #1323. Monolog changes

config/packages/monolog.yaml

@@ -7,8 +7,9 @@ when@dev:
         handlers:
             main:
                 type: stream
-                path: "%kernel.logs_dir%/%kernel.environment%.log"
                 level: debug
+                path: php://stderr
+                formatter: App\Formatter\CustomLineFormatter
                 channels: ["!event"]
             # uncomment to get logging in your browser
             # you may have to allow bigger header sizes in your Web server configuration

src/Formatter/CustomLineFormatter.php

@@ -0,0 +1,8 @@
+<?php
+
+namespace App\Formatter;
+
+class CustomLineFormatter
+{
+
+}