diff --git a/app/src/Bootstrap.php b/app/src/Bootstrap.php
index 5ef7885..ec26019 100644
--- a/app/src/Bootstrap.php
+++ b/app/src/Bootstrap.php
@@ -32,6 +32,8 @@ use Psr\Log\LoggerInterface;
 use Slim\App;
 use Slim\Factory\AppFactory;
 use Slim\Psr7\Factory\ResponseFactory;
+use Slovocast\Infrastructure\Application\LoggerDefinition;
+use Slovocast\Infrastructure\Application\SessionDefintion;
 use Slovocast\Middleware\SessionMiddleware;
 use Twig\Error\LoaderError;
 
@@ -126,36 +128,12 @@ class Bootstrap
             /**
              * Global logging
              */
-            LoggerInterface::class => function() {
-                $logger = new Logger("default");
-                $logger->pushHandler(new StreamHandler('php://stdout', Level::Info));
-                return $logger;
-            },
+            (new LoggerDefinition())->define(),
 
             /**
              * Session and Flash classes here
              */
-            SessionManagerInterface::class => function (ContainerInterface $container) {
-                return $container->get(SessionInterface::class);
-            },
-            SessionInterface::class => function (ContainerInterface $container) {
-                $options = $container->get('config')->get('session');
-                return new PhpSession($options);
-            },
-            'session' => function (ContainerInterface $container) {
-                return $container->get(SessionInterface::class);
-            },
-            SessionMiddleware::class => function (ContainerInterface $container) {
-                return new SessionMiddleware(
-                    $container->get(SessionManagerInterface::class),
-                    $container->get(SessionInterface::class),
-                    $container->get(LoggerInterface::class)
-                );
-            },
-
-            UserSessionManagerInterface::class => function (ContainerInterface $container) {
-                return new UserSessionManager($container->get(SessionInterface::class));
-            },
+            (new SessionDefintion())->define(),           
 
             /**
              * Application DI
diff --git a/app/src/Infrastructure/Application/SessionDefinition.php b/app/src/Infrastructure/Application/SessionDefinition.php
new file mode 100644
index 0000000..cdd6c73
--- /dev/null
+++ b/app/src/Infrastructure/Application/SessionDefinition.php
@@ -0,0 +1,42 @@
+<?php
+
+namespace Slovocast\Infrastructure\Application;
+
+use Slovocast\Infrastructure\Application\DefinitionInterface;
+use Slovocast\Infrastructure\Api\User\UserSessionManagerInterface;
+use Slovocast\Infrastructure\User\UserSessionManager;
+use Slovocast\Middleware\SessionMiddleware;
+use Odan\Session\PhpSession;
+use Odan\Session\SessionInterface;
+use Odan\Session\SessionManagerInterface;
+use Psr\Container\ContainerInterface;
+use Psr\Log\LoggerInterface;
+
+class SessionDefintion implements DefinitionInterface
+{
+    public function define(): array
+    {
+        return [
+            SessionManagerInterface::class => function (ContainerInterface $container) {
+                return $container->get(SessionInterface::class);
+            },
+            SessionInterface::class => function (ContainerInterface $container) {
+                $options = $container->get('config')->get('session');
+                return new PhpSession($options);
+            },
+            'session' => function (ContainerInterface $container) {
+                return $container->get(SessionInterface::class);
+            },
+            SessionMiddleware::class => function (ContainerInterface $container) {
+                return new SessionMiddleware(
+                    $container->get(SessionManagerInterface::class),
+                    $container->get(SessionInterface::class),
+                    $container->get(LoggerInterface::class)
+                );
+            },
+            UserSessionManagerInterface::class => function (ContainerInterface $container) {
+                return new UserSessionManager($container->get(SessionInterface::class));
+            },           
+        ];
+    }
+}