Finally get the xdebug stuff working, save sessions after handling the responses, not sure why teh storage for the flash class is empty by the time twig renders.

app/src/Middleware/SessionMiddleware.php

@@ -28,6 +28,8 @@ class SessionMiddleware implements MiddlewareInterface
             $this->sessionManager->start();
         }
 
-        return $handler->handle($request);
+        $response = $handler->handle($request);
+        $this->sessionManager->save();
+        return $response;
     }
 }

app/src/Middlewares.php

@@ -3,6 +3,7 @@
 namespace Slovocast;
 
 use League\Config\Configuration;
+use Odan\Session\Middleware\SessionStartMiddleware;
 use Odan\Session\SessionInterface;
 use Psr\Container\ContainerExceptionInterface;
 use Psr\Container\ContainerInterface;
@@ -37,7 +38,7 @@ class Middlewares
 
         // Twig
         $templateCache = false;
-        $twig = Twig::create(APP_TEMPLATES_DIR, [ 
+        $twig = Twig::create(APP_TEMPLATES_DIR, [
             'cache' => $templateCache,
             'debug' => true,
         ]);
@@ -54,6 +55,6 @@ class Middlewares
         $app->add(TwigMiddleware::create($app, $twig));
 
         // Add the error handling middleware
-        $app->addErrorMiddleware(true, true, true); 
+        $app->addErrorMiddleware(true, true, true);
     }
 }

dev/php/config/xdebug.ini

@@ -1,6 +1,5 @@
 [xdebug]
-zend_extension=xdebug
+xdebug.mode=debug
-xdebug.mode=develop,debug
-xdebug.client_host=host.docker.internal
 xdebug.start_with_request=yes
-xdebug.idekey="slovocast"
+xdebug.discover_client_host=true
+xdebug.client_host=host.docker.internal

docker-compose.yml

@@ -8,6 +8,10 @@ services:
       - mariadb
     links:
       - mariadb
+    extra_hosts:
+      - "host.docker.internal:host-gateway"
+    environment:
+      - "PHP_IDE_CONFIG=serverName=Slovocast"
   cli:
     build:
       context: .
@@ -29,7 +33,7 @@ services:
   mariadb:
     image: mariadb:10.9
     environment:
-      MARIADB_ROOT_PASSWORD: password 
+      MARIADB_ROOT_PASSWORD: password
       MARIADB_DATABASE: slovocast
       MARIADB_USER: slovocast
       MARIADB_PASSWORD: password