diff --git a/config/packages/dev/monolog.php b/config/packages/dev/monolog.php
index 2da2add..24be725 100644
--- a/config/packages/dev/monolog.php
+++ b/config/packages/dev/monolog.php
@@ -4,8 +4,7 @@
 
 use Symfony\Config\MonologConfig;
 
-return static function (MonologConfig $monolog): void
-{
+return static function (MonologConfig $monolog): void {
     $monolog->handler('main', [
         'type' => 'stream',
         'path' => '%kernel.logs_dir%/%kernel.environment%.log',
diff --git a/config/packages/prod/monolog.php b/config/packages/prod/monolog.php
index 702d978..c005524 100644
--- a/config/packages/prod/monolog.php
+++ b/config/packages/prod/monolog.php
@@ -4,22 +4,21 @@
 
 use Symfony\Config\MonologConfig;
 
-return static function (MonologConfig $monolog): void
-{
+return static function (MonologConfig $monolog): void {
     $monolog->handler('main', [
         'type' => 'fingers_crossed',
         'action_level' => 'error',
         'handler' => 'nested',
-        'buffer_size' => 50
+        'buffer_size' => 50,
     ])->excludedHttpCode()->code(404)->code(405);
     $monolog->handler('nested', [
         'type' => 'stream',
         'path' => 'php://stderr',
         'level' => 'debug',
-        'formatter' => 'monolog.formatter.json'
+        'formatter' => 'monolog.formatter.json',
     ]);
     $monolog->handler('console', [
         'type' => 'console',
-        'process_psr_3_messages' => false
+        'process_psr_3_messages' => false,
     ])->channels()->elements(['!event', '!doctrine']);
 };
diff --git a/config/packages/security.php b/config/packages/security.php
index c21884a..aa67cb8 100644
--- a/config/packages/security.php
+++ b/config/packages/security.php
@@ -7,8 +7,7 @@
 use Symfony\Component\Security\Core\User\PasswordAuthenticatedUserInterface;
 use Symfony\Config\SecurityConfig;
 
-return static function (SecurityConfig $security): void
-{
+return static function (SecurityConfig $security): void {
     $security->enableAuthenticatorManager(true);
     $security->passwordHasher(PasswordAuthenticatedUserInterface::class, 'auto');
     $userProvider = $security->provider('app_user_provider');
@@ -32,6 +31,6 @@
     $mainFirewall->entryPoint('form_login');
 
     $security->accessControl([
-        'path' => '^/dashboard', 'roles' => 'ROLE_USER'
+        'path' => '^/dashboard', 'roles' => 'ROLE_USER',
     ]);
 };
diff --git a/config/packages/test/monolog.php b/config/packages/test/monolog.php
index 0f91816..cc46109 100644
--- a/config/packages/test/monolog.php
+++ b/config/packages/test/monolog.php
@@ -4,8 +4,7 @@
 
 use Symfony\Config\MonologConfig;
 
-return static function (MonologConfig $monolog): void
-{
+return static function (MonologConfig $monolog): void {
     $monolog->handler('main', [
         'type' => 'fingers_crossed',
         'action_level' => 'error',
@@ -14,6 +13,6 @@
     $monolog->handler('nested', [
         'type' => 'stream',
         'path' => '%kernel.logs_dir%/%kernel.environment%.log',
-        'level' => 'debug'
+        'level' => 'debug',
     ]);
 };
diff --git a/src/Command/ExampleCommand.php b/src/Command/ExampleCommand.php
index ad0ec1a..79d6435 100644
--- a/src/Command/ExampleCommand.php
+++ b/src/Command/ExampleCommand.php
@@ -32,13 +32,10 @@ protected function configure(): void
         );
     }
 
-    protected function initialize(InputInterface $input, OutputInterface $output): void
+    protected function execute(InputInterface $input, OutputInterface $output): int
     {
         $this->ioStream = new SymfonyStyle($input, $output);
-    }
 
-    protected function execute(InputInterface $input, OutputInterface $output): int
-    {
         $optionSomething = $input->getOption(self::OPTION_SOMETHING);
         if ($optionSomething) {
             $this->ioStream->text('Bye world!');
diff --git a/src/Controller/HttpClientController.php b/src/Controller/HttpClientController.php
index bbeb75f..e4cdd37 100644
--- a/src/Controller/HttpClientController.php
+++ b/src/Controller/HttpClientController.php
@@ -12,11 +12,8 @@
 
 final class HttpClientController extends AbstractController
 {
-    private HttpClientInterface $httpClient;
-
-    public function __construct(HttpClientInterface $httpClient)
+    public function __construct(private readonly HttpClientInterface $httpClient)
     {
-        $this->httpClient = $httpClient;
     }
 
     public function routeUsingHttpClient(): Response
@@ -65,9 +62,7 @@ public function routeMakingMultipleRequests(): Response
 
     public function internalEndpointPost(Request $request): Response
     {
-        $data = json_decode($request->getContent(), true);
-
-        return $this->json(['received' => $data]);
+        return $this->json(['received' => $request->toArray()]);
     }
 
     public function routeShouldNotMakeSpecificRequest(): Response
diff --git a/src/Controller/RegistrationController.php b/src/Controller/RegistrationController.php
index 354937b..2187ff8 100644
--- a/src/Controller/RegistrationController.php
+++ b/src/Controller/RegistrationController.php
@@ -19,7 +19,7 @@ final class RegistrationController extends AbstractController
     public function __construct(
         private readonly Mailer $mailer,
         private readonly UserRepositoryInterface $userRepository,
-        private readonly EventDispatcherInterface $eventDispatcher
+        private readonly EventDispatcherInterface $eventDispatcher,
     ) {
     }
 
diff --git a/src/Entity/User.php b/src/Entity/User.php
index 2602684..3ea16ae 100644
--- a/src/Entity/User.php
+++ b/src/Entity/User.php
@@ -40,6 +40,7 @@ public static function create(string $email, string $password, array $roles = []
         $user->email = $email;
         $user->password = $password;
         $user->roles = $roles;
+
         return $user;
     }
 
diff --git a/src/Repository/Model/UserRepositoryInterface.php b/src/Repository/Model/UserRepositoryInterface.php
index ba5305d..d364eb2 100644
--- a/src/Repository/Model/UserRepositoryInterface.php
+++ b/src/Repository/Model/UserRepositoryInterface.php
@@ -9,4 +9,4 @@ interface UserRepositoryInterface
     public function save(User $user): void;
 
     public function getByEmail(string $email): ?User;
-}
\ No newline at end of file
+}
diff --git a/src/Repository/UserRepository.php b/src/Repository/UserRepository.php
index 233da67..49f22e6 100644
--- a/src/Repository/UserRepository.php
+++ b/src/Repository/UserRepository.php
@@ -27,6 +27,7 @@ public function getByEmail(string $email): ?User
     {
         /** @var User|null $user */
         $user = $this->findOneBy(['email' => $email]);
+
         return $user;
     }
 }
diff --git a/src/Utils/Mailer.php b/src/Utils/Mailer.php
index 6f97f4b..5412990 100644
--- a/src/Utils/Mailer.php
+++ b/src/Utils/Mailer.php
@@ -9,7 +9,7 @@
 use Symfony\Component\Mailer\MailerInterface;
 use Symfony\Component\Mime\Address;
 
-final class Mailer
+final readonly class Mailer
 {
     public function __construct(private MailerInterface $mailer)
     {
diff --git a/tests/Functional/DoctrineCest.php b/tests/Functional/DoctrineCest.php
index 6f66550..bfe1e29 100644
--- a/tests/Functional/DoctrineCest.php
+++ b/tests/Functional/DoctrineCest.php
@@ -19,22 +19,22 @@ public function grabNumRecords(FunctionalTester $I)
 
     public function grabRepository(FunctionalTester $I)
     {
-        //With classes
+        // With classes
         $repository = $I->grabRepository(User::class);
         $I->assertInstanceOf(UserRepository::class, $repository);
 
-        //With Repository classes
+        // With Repository classes
         $repository = $I->grabRepository(UserRepository::class);
         $I->assertInstanceOf(UserRepository::class, $repository);
 
-        //With Entities
+        // With Entities
         $user = $I->grabEntityFromRepository(User::class, [
-            'email' => 'john_doe@gmail.com'
+            'email' => 'john_doe@gmail.com',
         ]);
         $repository = $I->grabRepository($user);
         $I->assertInstanceOf(UserRepository::class, $repository);
 
-        //With Repository interfaces
+        // With Repository interfaces
         $repository = $I->grabRepository(UserRepositoryInterface::class);
         $I->assertInstanceOf(UserRepository::class, $repository);
     }
@@ -43,5 +43,4 @@ public function seeNumRecords(FunctionalTester $I)
     {
         $I->seeNumRecords(1, User::class);
     }
-
 }
diff --git a/tests/Functional/EventsCest.php b/tests/Functional/EventsCest.php
index c12a523..b3033a0 100644
--- a/tests/Functional/EventsCest.php
+++ b/tests/Functional/EventsCest.php
@@ -93,6 +93,7 @@ public function seeEvent(FunctionalTester $I)
             $I->seeEvent('non-existent-event');
         } catch (ExpectationFailedException $ex) {
             $I->assertTrue(true, 'seeEvent assertion fails with non-existent events.');
+
             return;
         }
         $I->fail('seeEvent assertion did not fail as expected');
diff --git a/tests/Functional/ParameterCest.php b/tests/Functional/ParameterCest.php
index bcb9801..98a0f93 100644
--- a/tests/Functional/ParameterCest.php
+++ b/tests/Functional/ParameterCest.php
@@ -10,7 +10,7 @@ final class ParameterCest
 {
     public function grabParameter(FunctionalTester $I)
     {
-        $locale = (string) $I->grabParameter('app.business_name');
-        $I->assertSame('Codeception', $locale);
+        $businessName = (string) $I->grabParameter('app.business_name');
+        $I->assertSame('Codeception', $businessName);
     }
 }
diff --git a/tests/Functional/RouterCest.php b/tests/Functional/RouterCest.php
index 0ae5bc3..85070e4 100644
--- a/tests/Functional/RouterCest.php
+++ b/tests/Functional/RouterCest.php
@@ -37,5 +37,4 @@ public function seeInCurrentRoute(FunctionalTester $I)
         $I->amOnPage('/');
         $I->seeInCurrentRoute('index');
     }
-
 }
diff --git a/tests/Functional/SecurityCest.php b/tests/Functional/SecurityCest.php
index 4d1ddfe..beddba0 100644
--- a/tests/Functional/SecurityCest.php
+++ b/tests/Functional/SecurityCest.php
@@ -21,7 +21,7 @@ public function dontSeeRememberedAuthentication(FunctionalTester $I)
         $I->submitForm('form[name=login]', [
             'email' => 'john_doe@gmail.com',
             'password' => '123456',
-            '_remember_me' => false
+            '_remember_me' => false,
         ]);
         $I->dontSeeRememberedAuthentication();
     }
@@ -29,7 +29,7 @@ public function dontSeeRememberedAuthentication(FunctionalTester $I)
     public function seeAuthentication(FunctionalTester $I)
     {
         $user = $I->grabEntityFromRepository(User::class, [
-            'email' => 'john_doe@gmail.com'
+            'email' => 'john_doe@gmail.com',
         ]);
         $I->amLoggedInAs($user);
         $I->amOnPage('/dashboard');
@@ -43,7 +43,7 @@ public function seeRememberedAuthentication(FunctionalTester $I)
         $I->submitForm('form[name=login]', [
             'email' => 'john_doe@gmail.com',
             'password' => '123456',
-            '_remember_me' => true
+            '_remember_me' => true,
         ]);
         $I->seeRememberedAuthentication();
     }
@@ -51,7 +51,7 @@ public function seeRememberedAuthentication(FunctionalTester $I)
     public function seeUserHasRole(FunctionalTester $I)
     {
         $user = $I->grabEntityFromRepository(User::class, [
-            'email' => 'john_doe@gmail.com'
+            'email' => 'john_doe@gmail.com',
         ]);
         $I->amLoggedInAs($user);
         $I->amOnPage('/');
@@ -62,7 +62,7 @@ public function seeUserHasRole(FunctionalTester $I)
     public function seeUserHasRoles(FunctionalTester $I)
     {
         $user = $I->grabEntityFromRepository(User::class, [
-            'email' => 'john_doe@gmail.com'
+            'email' => 'john_doe@gmail.com',
         ]);
         $I->amLoggedInAs($user);
         $I->amOnPage('/');
@@ -73,7 +73,7 @@ public function seeUserHasRoles(FunctionalTester $I)
     public function seeUserPasswordDoesNotNeedRehash(FunctionalTester $I)
     {
         $user = $I->grabEntityFromRepository(User::class, [
-            'email' => 'john_doe@gmail.com'
+            'email' => 'john_doe@gmail.com',
         ]);
         $I->amLoggedInAs($user);
         $I->amOnPage('/dashboard');
diff --git a/tests/Functional/ServicesCest.php b/tests/Functional/ServicesCest.php
index c7ee329..0f854b7 100644
--- a/tests/Functional/ServicesCest.php
+++ b/tests/Functional/ServicesCest.php
@@ -14,5 +14,4 @@ public function grabService(FunctionalTester $I)
         $security = $I->grabService('security.helper');
         $I->assertInstanceOf(Security::class, $security);
     }
-
 }
diff --git a/tests/Functional/SessionCest.php b/tests/Functional/SessionCest.php
index b29f751..77d5076 100644
--- a/tests/Functional/SessionCest.php
+++ b/tests/Functional/SessionCest.php
@@ -14,7 +14,7 @@ final class SessionCest
     public function amLoggedInAs(FunctionalTester $I)
     {
         $user = $I->grabEntityFromRepository(User::class, [
-            'email' => 'john_doe@gmail.com'
+            'email' => 'john_doe@gmail.com',
         ]);
         $I->amLoggedInAs($user);
         $I->amOnPage('/dashboard');
@@ -28,7 +28,7 @@ public function amLoggedInAs(FunctionalTester $I)
     public function amLoggedInWithToken(FunctionalTester $I)
     {
         $user = $I->grabEntityFromRepository(User::class, [
-            'email' => 'john_doe@gmail.com'
+            'email' => 'john_doe@gmail.com',
         ]);
         $token = new PostAuthenticationToken($user, 'main', $user->getRoles());
         $I->amLoggedInWithToken($token);
@@ -49,7 +49,7 @@ public function dontSeeInSession(FunctionalTester $I)
     public function goToLogoutPath(FunctionalTester $I)
     {
         $user = $I->grabEntityFromRepository(User::class, [
-            'email' => 'john_doe@gmail.com'
+            'email' => 'john_doe@gmail.com',
         ]);
         $I->amLoggedInAs($user);
         $I->amOnPage('/dashboard');
@@ -63,7 +63,7 @@ public function goToLogoutPath(FunctionalTester $I)
     public function logoutProgrammatically(FunctionalTester $I)
     {
         $user = $I->grabEntityFromRepository(User::class, [
-            'email' => 'john_doe@gmail.com'
+            'email' => 'john_doe@gmail.com',
         ]);
         $I->amLoggedInAs($user);
         $I->amOnPage('/dashboard');
@@ -78,7 +78,7 @@ public function logoutProgrammatically(FunctionalTester $I)
     public function seeInSession(FunctionalTester $I)
     {
         $user = $I->grabEntityFromRepository(User::class, [
-            'email' => 'john_doe@gmail.com'
+            'email' => 'john_doe@gmail.com',
         ]);
         $I->amLoggedInAs($user);
         $I->amOnPage('/');
@@ -89,7 +89,7 @@ public function seeInSession(FunctionalTester $I)
     public function seeSessionHasValues(FunctionalTester $I)
     {
         $user = $I->grabEntityFromRepository(User::class, [
-            'email' => 'john_doe@gmail.com'
+            'email' => 'john_doe@gmail.com',
         ]);
         $I->amLoggedInAs($user);
         $I->amOnPage('/');
diff --git a/tests/Functional/TimeCest.php b/tests/Functional/TimeCest.php
index 1f3e444..005c2c6 100644
--- a/tests/Functional/TimeCest.php
+++ b/tests/Functional/TimeCest.php
@@ -14,4 +14,4 @@ public function seeRequestElapsedTimeLessThan(FunctionalTester $I)
         $I->seeInCurrentUrl('register');
         $I->seeRequestTimeIsLessThan(400);
     }
-}
\ No newline at end of file
+}
diff --git a/tests/Functional/TwigCest.php b/tests/Functional/TwigCest.php
index e674da2..713c60a 100644
--- a/tests/Functional/TwigCest.php
+++ b/tests/Functional/TwigCest.php
@@ -26,4 +26,4 @@ public function seeRenderedTemplate(FunctionalTester $I)
         $I->seeRenderedTemplate('layout.html.twig');
         $I->seeRenderedTemplate('security/login.html.twig');
     }
-}
\ No newline at end of file
+}