diff --git a/config/services.php b/config/services.php
new file mode 100644
index 0000000..ea05e94
--- /dev/null
+++ b/config/services.php
@@ -0,0 +1,302 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Symfony\Component\DependencyInjection\Loader\Configurator;
+
+use Algolia\AlgoliaSearch\Api\SearchClient;
+use Doctrine\ORM\EntityManagerInterface;
+use Doctrine\Website\Application;
+use Doctrine\Website\Controllers\AtomController;
+use Doctrine\Website\Controllers\BlogController;
+use Doctrine\Website\Controllers\DocumentationController;
+use Doctrine\Website\Controllers\HomepageController;
+use Doctrine\Website\Controllers\PartnersController;
+use Doctrine\Website\Controllers\ProjectController;
+use Doctrine\Website\Controllers\SitemapController;
+use Doctrine\Website\DataSources\ArrayDataSource;
+use Doctrine\Website\DataSources\BlogPosts;
+use Doctrine\Website\DataSources\DbPrefill\Partners;
+use Doctrine\Website\DataSources\DbPrefill\Projects;
+use Doctrine\Website\DataSources\DbPrefill\SimpleSource;
+use Doctrine\Website\DataSources\SitemapPages;
+use Doctrine\Website\Docs\RST\Guides;
+use Doctrine\Website\Docs\RST\GuidesParser;
+use Doctrine\Website\Docs\RST\RSTBuilder;
+use Doctrine\Website\Github\GithubClientProvider;
+use Doctrine\Website\Guides\Compiler\GlobMenuFixerTransformer;
+use Doctrine\Website\Guides\Compiler\SidebarTransformer;
+use Doctrine\Website\Guides\ReferenceResolver\HtmlResolver;
+use Doctrine\Website\Guides\StaticWebsiteGenerator\GuidesMarkdownConverter;
+use Doctrine\Website\Guides\StaticWebsiteGenerator\GuidesRstConverter;
+use Doctrine\Website\Model\BlogPost;
+use Doctrine\Website\Model\DoctrineUser;
+use Doctrine\Website\Model\Partner;
+use Doctrine\Website\Model\Project;
+use Doctrine\Website\Model\SitemapPage;
+use Doctrine\Website\Projects\ProjectDataRepository;
+use Doctrine\Website\Repositories\BlogPostRepository;
+use Doctrine\Website\Repositories\DoctrineUserRepository;
+use Doctrine\Website\Repositories\PartnerRepository;
+use Doctrine\Website\Repositories\ProjectRepository;
+use Doctrine\Website\Repositories\SitemapPageRepository;
+use Doctrine\Website\Requests\PartnerRequests;
+use Doctrine\Website\Requests\ProjectRequests;
+use Doctrine\Website\Requests\ProjectVersionRequests;
+use Doctrine\Website\StaticGenerator\Controller\ControllerProvider;
+use Doctrine\Website\StaticGenerator\Request\RequestCollectionProvider;
+use Doctrine\Website\StaticGenerator\Site;
+use Doctrine\Website\StaticGenerator\SourceFile\SourceFileBuilder;
+use Doctrine\Website\StaticGenerator\SourceFile\SourceFileFilesystemReader;
+use Doctrine\Website\StaticGenerator\SourceFile\SourceFileRenderer;
+use Doctrine\Website\StaticGenerator\SourceFile\SourceFileRepository;
+use Doctrine\Website\StaticGenerator\SourceFile\SourceFileRouteReader;
+use Doctrine\Website\StaticGenerator\Twig\RoutingExtension;
+use Doctrine\Website\StaticGenerator\Twig\StringTwigRenderer;
+use Doctrine\Website\StaticGenerator\Twig\TwigRenderer;
+use Doctrine\Website\Twig\MainExtension;
+use Doctrine\Website\Twig\ProjectExtension;
+use Github\Api\Repo;
+use Github\Client;
+use Highlight\Highlighter;
+use Monolog\Handler\StreamHandler;
+use Monolog\Logger;
+use Parsedown;
+use phpDocumentor\Guides\NodeRenderers\TemplateNodeRenderer;
+use phpDocumentor\Guides\Nodes\DocumentNode;
+use Psr\Cache\CacheItemPoolInterface;
+use Psr\EventDispatcher\EventDispatcherInterface;
+use Psr\Log\LoggerInterface;
+use Symfony\Component\Cache\Adapter\FilesystemAdapter;
+use Symfony\Component\EventDispatcher\EventDispatcher;
+use Symfony\Component\Filesystem\Filesystem;
+use Symfony\Component\HttpKernel\Controller\ArgumentResolver;
+
+return static function (ContainerConfigurator $container): void {
+    $services   = $container->services();
+    $parameters = $container->parameters();
+    $container->import('services/orm.php');
+
+    $services->defaults()
+        ->private()
+        ->autowire()
+        ->autoconfigure()
+        ->bind('$rootDir', '%doctrine.website.root_dir%')
+        ->bind('$env', '%doctrine.website.env%')
+        ->bind('$projectsDir', '%doctrine.website.projects_dir%')
+        ->bind('$docsDir', '%doctrine.website.docs_dir%')
+        ->bind('$sourceDir', '%doctrine.website.source_dir%')
+        ->bind('$projectsData', '%doctrine.website.projects_data%')
+        ->bind('$webpackBuildDir', '%doctrine.website.webpack_build_dir%')
+        ->bind('$projectIntegrationTypes', '%doctrine.website.project_integration.types%')
+        ->bind('$packagistUrlFormat', 'https://packagist.org/packages/%s.json')
+        ->bind('$dbPrefills', tagged_iterator('doctrine.website.db_prefill'))
+        ->bind('$templatesDir', '%doctrine.website.templates_dir%')
+        ->bind('$routes', '%doctrine.website.routes%');
+
+    $services->load('Doctrine\\Website\\', '../lib/*');
+
+    $services->set(SourceFileBuilder::class)
+        ->args([
+            service(SourceFileRenderer::class),
+            service(Filesystem::class),
+            [service(GuidesRstConverter::class), service(GuidesMarkdownConverter::class)],
+            ['/\/api\//'],
+        ]);
+
+    $services->set(StringTwigRenderer::class)
+        ->autowire(false)
+        ->args([
+            '%doctrine.website.templates_dir%',
+            [service(MainExtension::class), service(ProjectExtension::class), service(RoutingExtension::class)],
+        ]);
+
+    $services->alias(TwigRenderer::class, StringTwigRenderer::class);
+
+    $services->set(SourceFileRepository::class)
+        ->args([[service(SourceFileFilesystemReader::class), service(SourceFileRouteReader::class)]]);
+
+    $services->set(ControllerProvider::class)
+        ->args([[service(AtomController::class), service(BlogController::class), service(DocumentationController::class), service(HomepageController::class), service(PartnersController::class), service(ProjectController::class), service(SitemapController::class)]]);
+
+    $services->set(RequestCollectionProvider::class)
+        ->args([[service(PartnerRequests::class), service(ProjectRequests::class), service(ProjectVersionRequests::class)]]);
+
+    $services->alias(Site::class, \Doctrine\Website\Site::class);
+
+    $services->set(Application::class)
+        ->public()
+        ->autowire();
+
+    $services->set(ProjectDataRepository::class)
+        ->autowire();
+
+    $services->set(GithubClientProvider::class)
+        ->args([
+            inline_service(Client::class),
+            service(CacheItemPoolInterface::class),
+            '%doctrine.website.github.http_token%',
+        ]);
+
+    $services->set(Repo::class)
+        ->factory([service(GithubClientProvider::class), 'repositories']);
+
+    $services->set(Highlighter::class)
+        ->autowire();
+
+    $services->set(Parsedown::class, Parsedown::class)
+        ->autowire();
+
+    $services->set(\Symfony\Component\Console\Application::class)
+        ->autowire();
+
+    $services->set(Filesystem::class)
+        ->autowire();
+
+    $services->set(ArgumentResolver::class)
+        ->autowire();
+
+    $services->set(CacheItemPoolInterface::class, FilesystemAdapter::class)
+        ->autowire(false)
+        ->args([
+            '',
+            0,
+            '%doctrine.website.cache_dir%/fscache',
+        ]);
+
+    $services->set('SendGrid', 'SendGrid')
+        ->autowire()
+        ->args(['%doctrine.website.send_grid.api_key%']);
+
+    $services->set(SearchClient::class)
+        ->autowire(false)
+        ->args([
+            '%doctrine.website.algolia.app_id%',
+            '%doctrine.website.algolia.admin_api_key%',
+        ])
+        ->factory([null, 'create']);
+
+    $services->set(\Doctrine\Website\Site::class)
+        ->args([
+            '%doctrine.website.title%',
+            '%doctrine.website.subtitle%',
+            '%doctrine.website.url%',
+            '%doctrine.website.keywords%',
+            '%doctrine.website.description%',
+            '%doctrine.website.env%',
+            '%doctrine.website.google_analytics_tracking_id%',
+            '%doctrine.website.assets_url%',
+        ]);
+
+    $services->set(BlogPostRepository::class)
+        ->public()
+        ->autowire(false)
+        ->args([BlogPost::class])
+        ->factory([service(EntityManagerInterface::class), 'getRepository']);
+
+    $services->set(DoctrineUserRepository::class)
+        ->public()
+        ->autowire(false)
+        ->args([DoctrineUser::class])
+        ->factory([service(EntityManagerInterface::class), 'getRepository']);
+
+    $services->set(PartnerRepository::class)
+        ->public()
+        ->autowire(false)
+        ->args([Partner::class])
+        ->factory([service(EntityManagerInterface::class), 'getRepository']);
+
+    $services->set(ProjectRepository::class)
+        ->public()
+        ->autowire(false)
+        ->args([Project::class])
+        ->factory([service(EntityManagerInterface::class), 'getRepository']);
+
+    $services->set(SitemapPageRepository::class)
+        ->autowire(false)
+        ->args([SitemapPage::class])
+        ->factory([service(EntityManagerInterface::class), 'getRepository']);
+
+    $services->set('doctrine.website.data_sources.db_prefill.doctrine_user', SimpleSource::class)
+        ->args([
+            DoctrineUser::class,
+            inline_service(ArrayDataSource::class)
+                ->args(['%doctrine.website.doctrine_users%']),
+            service(EntityManagerInterface::class),
+        ])
+        ->tag('doctrine.website.db_prefill');
+
+    $services->set('doctrine.website.data_sources.db_prefill.sitemap_pages', SimpleSource::class)
+        ->args([
+            SitemapPage::class,
+            service(SitemapPages::class),
+            service(EntityManagerInterface::class),
+        ])
+        ->tag('doctrine.website.db_prefill');
+
+    $services->set('doctrine.website.data_sources.db_prefill.blog_posts', SimpleSource::class)
+        ->args([
+            BlogPost::class,
+            service(BlogPosts::class),
+            service(EntityManagerInterface::class),
+        ])
+        ->tag('doctrine.website.db_prefill');
+
+    $services->set('doctrine.website.data_sources.db_prefill.projects', Projects::class)
+        ->args([
+            service(\Doctrine\Website\DataSources\Projects::class),
+            service(EntityManagerInterface::class),
+        ])
+        ->tag('doctrine.website.db_prefill');
+
+    $services->set('doctrine.website.data_sources.db_prefill.partners', Partners::class)
+        ->args([
+            inline_service(ArrayDataSource::class)
+                ->args(['%doctrine.website.partners%']),
+            service(EntityManagerInterface::class),
+        ])
+        ->tag('doctrine.website.db_prefill');
+
+    $services->set(MainExtension::class)
+        ->tag('twig.extension');
+
+    $services->set(Guides::class);
+
+    $services->set(GuidesParser::class)
+        ->public();
+
+    $services->set(RSTBuilder::class)
+        ->args(['$builder' => service(Guides::class)]);
+
+    $services->set(EventDispatcherInterface::class, EventDispatcher::class);
+
+    $services->set(HtmlResolver::class)
+        ->tag('phpdoc.guides.reference_resolver');
+
+    $services->set(GlobMenuFixerTransformer::class)
+        ->tag('phpdoc.guides.compiler.nodeTransformers');
+
+    $services->set(SidebarTransformer::class)
+        ->tag('phpdoc.guides.compiler.nodeTransformers');
+
+    $services->set(GuidesRstConverter::class)
+        ->args(['$nodeRenderer' => service('page_renderer')]);
+
+    $services->set(GuidesMarkdownConverter::class)
+        ->args(['$nodeRenderer' => service('page_renderer')]);
+
+    $services->set('page_renderer', TemplateNodeRenderer::class)
+        ->args([
+            '$template' => 'website-document.html.twig',
+            '$nodeClass' => DocumentNode::class,
+        ]);
+
+    $services->alias(LoggerInterface::class, 'logger');
+
+    $services->set('logger', Logger::class)
+        ->args(['$name' => 'docs'])
+        ->call('pushHandler', [service(StreamHandler::class)]);
+
+    $services->set(StreamHandler::class)
+        ->args(['php://stderr']);
+};
diff --git a/config/services.xml b/config/services.xml
deleted file mode 100644
index 6d21a79..0000000
--- a/config/services.xml
+++ /dev/null
@@ -1,247 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" ?>
-<container xmlns="http://symfony.com/schema/dic/services"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://symfony.com/schema/dic/services https://symfony.com/schema/dic/services/services-1.0.xsd">
-
-    <imports>
-        <import resource="services/orm.xml"/>
-    </imports>
-
-    <services>
-        <defaults autowire="true" autoconfigure="true" public="false">
-            <bind key="$rootDir">%doctrine.website.root_dir%</bind>
-            <bind key="$env">%doctrine.website.env%</bind>
-            <bind key="$projectsDir">%doctrine.website.projects_dir%</bind>
-            <bind key="$docsDir">%doctrine.website.docs_dir%</bind>
-            <bind key="$sourceDir">%doctrine.website.source_dir%</bind>
-            <bind key="$projectsData">%doctrine.website.projects_data%</bind>
-            <bind key="$webpackBuildDir">%doctrine.website.webpack_build_dir%</bind>
-            <bind key="$projectIntegrationTypes">%doctrine.website.project_integration.types%</bind>
-            <bind key="$packagistUrlFormat">https://packagist.org/packages/%s.json</bind>
-            <bind key="$dbPrefills" tag="doctrine.website.db_prefill" type="tagged" />
-            <bind key="$templatesDir">%doctrine.website.templates_dir%</bind>
-            <bind key="$routes">%doctrine.website.routes%</bind>
-        </defaults>
-
-        <prototype namespace="Doctrine\Website\" resource="../lib/*" />
-
-        <service id="Doctrine\Website\StaticGenerator\SourceFile\SourceFileBuilder">
-            <argument type="service" id="Doctrine\Website\StaticGenerator\SourceFile\SourceFileRenderer" />
-            <argument type="service" id="Symfony\Component\Filesystem\Filesystem" />
-            <argument type="collection">
-                <argument type="service" id="Doctrine\Website\Guides\StaticWebsiteGenerator\GuidesRstConverter" />
-                <argument type="service" id="Doctrine\Website\Guides\StaticWebsiteGenerator\GuidesMarkdownConverter" />
-            </argument>
-            <argument type="collection">
-                <argument>/\/api\//</argument>
-            </argument>
-        </service>
-
-        <service id="Doctrine\Website\StaticGenerator\Twig\StringTwigRenderer" autowire="false">
-            <argument>%doctrine.website.templates_dir%</argument>
-            <argument type="collection">
-                <argument type="service" id="Doctrine\Website\Twig\MainExtension" />
-                <argument type="service" id="Doctrine\Website\Twig\ProjectExtension" />
-                <argument type="service" id="Doctrine\Website\StaticGenerator\Twig\RoutingExtension" />
-            </argument>
-        </service>
-
-        <service id="Doctrine\Website\StaticGenerator\Twig\TwigRenderer" alias="Doctrine\Website\StaticGenerator\Twig\StringTwigRenderer" />
-
-        <service id="Doctrine\Website\StaticGenerator\SourceFile\SourceFileRepository">
-            <argument type="collection">
-                <argument type="service" id="Doctrine\Website\StaticGenerator\SourceFile\SourceFileFilesystemReader" />
-                <argument type="service" id="Doctrine\Website\StaticGenerator\SourceFile\SourceFileRouteReader" />
-            </argument>
-        </service>
-
-        <service id="Doctrine\Website\StaticGenerator\Controller\ControllerProvider">
-            <argument type="collection">
-                <argument type="service" id="Doctrine\Website\Controllers\AtomController" />
-                <argument type="service" id="Doctrine\Website\Controllers\BlogController" />
-                <argument type="service" id="Doctrine\Website\Controllers\DocumentationController" />
-                <argument type="service" id="Doctrine\Website\Controllers\HomepageController" />
-                <argument type="service" id="Doctrine\Website\Controllers\PartnersController" />
-                <argument type="service" id="Doctrine\Website\Controllers\ProjectController" />
-                <argument type="service" id="Doctrine\Website\Controllers\SitemapController" />
-            </argument>
-        </service>
-
-        <service id="Doctrine\Website\StaticGenerator\Request\RequestCollectionProvider">
-            <argument type="collection">
-                <argument type="service" id="Doctrine\Website\Requests\PartnerRequests" />
-                <argument type="service" id="Doctrine\Website\Requests\ProjectRequests" />
-                <argument type="service" id="Doctrine\Website\Requests\ProjectVersionRequests" />
-            </argument>
-        </service>
-
-        <service id="Doctrine\Website\StaticGenerator\Site" alias="Doctrine\Website\Site" />
-
-        <service id="Doctrine\Website\Application" autowire="true" public="true" />
-
-        <service id="Doctrine\Website\Projects\ProjectDataRepository" autowire="true" />
-
-        <service id="Doctrine\Website\Github\GithubClientProvider">
-            <argument type="service">
-                <service class="Github\Client" />
-            </argument>
-            <argument type="service" id="Psr\Cache\CacheItemPoolInterface" />
-            <argument>%doctrine.website.github.http_token%</argument>
-        </service>
-
-        <service id="Github\Api\Repo">
-            <factory service="Doctrine\Website\Github\GithubClientProvider"
-                method="repositories"
-            />
-        </service>
-
-        <service id="Highlight\Highlighter" autowire="true" />
-        <service id="Parsedown" class="Parsedown" autowire="true" />
-        <service id="Symfony\Component\Console\Application" autowire="true" />
-        <service id="Symfony\Component\Filesystem\Filesystem" autowire="true" />
-        <service id="Symfony\Component\HttpKernel\Controller\ArgumentResolver" autowire="true" />
-        <service id="Psr\Cache\CacheItemPoolInterface" class="Symfony\Component\Cache\Adapter\FilesystemAdapter" autowire="false">
-            <argument></argument>
-            <argument>0</argument>
-            <argument>%doctrine.website.cache_dir%/fscache</argument>
-        </service>
-        <service id="SendGrid" class="SendGrid" autowire="true">
-            <argument>%doctrine.website.send_grid.api_key%</argument>
-        </service>
-
-        <service id="Algolia\AlgoliaSearch\Api\SearchClient" autowire="false">
-            <factory method="create"/>
-            <argument>%doctrine.website.algolia.app_id%</argument>
-            <argument>%doctrine.website.algolia.admin_api_key%</argument>
-        </service>
-
-        <service id="Doctrine\Website\Site">
-            <argument>%doctrine.website.title%</argument>
-            <argument>%doctrine.website.subtitle%</argument>
-            <argument>%doctrine.website.url%</argument>
-            <argument>%doctrine.website.keywords%</argument>
-            <argument>%doctrine.website.description%</argument>
-            <argument>%doctrine.website.env%</argument>
-            <argument>%doctrine.website.google_analytics_tracking_id%</argument>
-            <argument>%doctrine.website.assets_url%</argument>
-        </service>
-
-        <service id="Doctrine\Website\Repositories\BlogPostRepository" autowire="false" public="true">
-            <factory service="Doctrine\ORM\EntityManagerInterface" method="getRepository" />
-            <argument type="string">Doctrine\Website\Model\BlogPost</argument>
-        </service>
-
-        <service id="Doctrine\Website\Repositories\DoctrineUserRepository" autowire="false" public="true">
-            <factory service="Doctrine\ORM\EntityManagerInterface" method="getRepository" />
-            <argument type="string">Doctrine\Website\Model\DoctrineUser</argument>
-        </service>
-
-        <service id="Doctrine\Website\Repositories\PartnerRepository" autowire="false" public="true">
-            <factory service="Doctrine\ORM\EntityManagerInterface" method="getRepository" />
-            <argument type="string">Doctrine\Website\Model\Partner</argument>
-        </service>
-
-        <service id="Doctrine\Website\Repositories\ProjectRepository" autowire="false" public="true">
-            <factory service="Doctrine\ORM\EntityManagerInterface" method="getRepository" />
-            <argument type="string">Doctrine\Website\Model\Project</argument>
-        </service>
-
-        <service id="Doctrine\Website\Repositories\SitemapPageRepository" autowire="false">
-            <factory service="Doctrine\ORM\EntityManagerInterface" method="getRepository" />
-            <argument type="string">Doctrine\Website\Model\SitemapPage</argument>
-        </service>
-
-        <service id="doctrine.website.data_sources.db_prefill.doctrine_user"
-                 class="Doctrine\Website\DataSources\DbPrefill\SimpleSource">
-            <argument type="string">Doctrine\Website\Model\DoctrineUser</argument>
-            <argument type="service">
-                <service class="Doctrine\Website\DataSources\ArrayDataSource">
-                    <argument>%doctrine.website.doctrine_users%</argument>
-                </service>
-            </argument>
-            <argument type="service" id="Doctrine\ORM\EntityManagerInterface" />
-            <tag name="doctrine.website.db_prefill" />
-        </service>
-
-        <service id="doctrine.website.data_sources.db_prefill.sitemap_pages"
-                 class="Doctrine\Website\DataSources\DbPrefill\SimpleSource">
-            <argument type="string">Doctrine\Website\Model\SitemapPage</argument>
-            <argument type="service" id="Doctrine\Website\DataSources\SitemapPages" />
-            <argument type="service" id="Doctrine\ORM\EntityManagerInterface" />
-            <tag name="doctrine.website.db_prefill" />
-        </service>
-
-        <service id="doctrine.website.data_sources.db_prefill.blog_posts"
-                 class="Doctrine\Website\DataSources\DbPrefill\SimpleSource">
-            <argument type="string">Doctrine\Website\Model\BlogPost</argument>
-            <argument type="service" id="Doctrine\Website\DataSources\BlogPosts" />
-            <argument type="service" id="Doctrine\ORM\EntityManagerInterface" />
-            <tag name="doctrine.website.db_prefill" />
-        </service>
-
-        <service id="doctrine.website.data_sources.db_prefill.projects"
-                 class="Doctrine\Website\DataSources\DbPrefill\Projects">
-            <argument type="service" id="Doctrine\Website\DataSources\Projects" />
-            <argument type="service" id="Doctrine\ORM\EntityManagerInterface" />
-            <tag name="doctrine.website.db_prefill" />
-        </service>
-
-        <service id="doctrine.website.data_sources.db_prefill.partners"
-                 class="Doctrine\Website\DataSources\DbPrefill\Partners">
-            <argument type="service">
-                <service class="Doctrine\Website\DataSources\ArrayDataSource">
-                    <argument>%doctrine.website.partners%</argument>
-                </service>
-            </argument>
-            <argument type="service" id="Doctrine\ORM\EntityManagerInterface" />
-            <tag name="doctrine.website.db_prefill" />
-        </service>
-
-        <service id="Doctrine\Website\Twig\MainExtension">
-            <tag name="twig.extension" />
-        </service>
-
-        <service id="Doctrine\Website\Docs\RST\Guides" />
-        <service id="Doctrine\Website\Docs\RST\GuidesParser" public="true" />
-        <service id="Doctrine\Website\Docs\RST\RSTBuilder">
-            <argument key="$builder" type="service" id="Doctrine\Website\Docs\RST\Guides" />
-        </service>
-        <service id="Psr\EventDispatcher\EventDispatcherInterface" class="Symfony\Component\EventDispatcher\EventDispatcher" />
-
-        <service id="Doctrine\Website\Guides\ReferenceResolver\HtmlResolver">
-            <tag name="phpdoc.guides.reference_resolver" />
-        </service>
-
-        <service id="Doctrine\Website\Guides\Compiler\GlobMenuFixerTransformer">
-            <tag name="phpdoc.guides.compiler.nodeTransformers" />
-        </service>
-
-        <service id="Doctrine\Website\Guides\Compiler\SidebarTransformer">
-            <tag name="phpdoc.guides.compiler.nodeTransformers" />
-        </service>
-
-        <service id="Doctrine\Website\Guides\StaticWebsiteGenerator\GuidesRstConverter">
-            <argument key="$nodeRenderer" type="service" id="page_renderer" />
-        </service>
-
-        <service id="Doctrine\Website\Guides\StaticWebsiteGenerator\GuidesMarkdownConverter">
-            <argument key="$nodeRenderer" type="service" id="page_renderer" />
-        </service>
-
-        <service id="page_renderer" class="phpDocumentor\Guides\NodeRenderers\TemplateNodeRenderer">
-            <argument key="$template" type="string">website-document.html.twig</argument>
-            <argument key="$nodeClass" type="string">phpDocumentor\Guides\Nodes\DocumentNode</argument>
-        </service>
-
-        <service id="Psr\Log\LoggerInterface" alias="logger" />
-        <service id="logger" class="Monolog\Logger">
-            <argument key="$name">docs</argument>
-            <call method="pushHandler">
-                <argument type="service" id="Monolog\Handler\StreamHandler" />
-            </call>
-        </service>
-        <service id="Monolog\Handler\StreamHandler">
-            <argument type="constant">STDERR</argument>
-        </service>
-    </services>
-</container>
diff --git a/config/services/orm.php b/config/services/orm.php
new file mode 100644
index 0000000..72c4a9d
--- /dev/null
+++ b/config/services/orm.php
@@ -0,0 +1,35 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Symfony\Component\DependencyInjection\Loader\Configurator;
+
+use Doctrine\DBAL\Connection;
+use Doctrine\DBAL\DriverManager;
+use Doctrine\ORM\Configuration;
+use Doctrine\ORM\EntityManager;
+use Doctrine\ORM\EntityManagerInterface;
+use Doctrine\ORM\ORMSetup;
+
+return static function (ContainerConfigurator $container): void {
+    $services   = $container->services();
+    $parameters = $container->parameters();
+
+    $services->set(Configuration::class)
+        ->args([['lib/Model', 'lib/Git', 'lib/Docs/RST']])
+        ->factory([ORMSetup::class, 'createAttributeMetadataConfiguration'])
+        ->call('enableNativeLazyObjects', [true]);
+
+    $services->set(Connection::class)
+        ->args([['driver' => 'pdo_sqlite', 'path' => '%doctrine.website.cache_dir%/doctrine-website.sqlite']])
+        ->factory([DriverManager::class, 'getConnection']);
+
+    $services->set(EntityManager::class)
+        ->args([
+            service(Connection::class),
+            service(Configuration::class),
+        ]);
+
+    $services->alias(EntityManagerInterface::class, EntityManager::class)
+        ->public();
+};
diff --git a/config/services/orm.xml b/config/services/orm.xml
deleted file mode 100644
index 742592f..0000000
--- a/config/services/orm.xml
+++ /dev/null
@@ -1,34 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" ?>
-<container xmlns="http://symfony.com/schema/dic/services"
-           xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-           xsi:schemaLocation="http://symfony.com/schema/dic/services https://symfony.com/schema/dic/services/services-1.0.xsd">
-
-    <services>
-        <service id="Doctrine\ORM\Configuration">
-            <factory class="Doctrine\ORM\ORMSetup" method="createAttributeMetadataConfiguration" />
-            <argument type="collection">
-                <argument type="string">lib/Model</argument>
-                <argument type="string">lib/Git</argument>
-                <argument type="string">lib/Docs/RST</argument>
-            </argument>
-            <call method="enableNativeLazyObjects">
-                <argument type="constant">true</argument>
-            </call>
-        </service>
-
-        <service id="Doctrine\DBAL\Connection">
-            <factory class="Doctrine\DBAL\DriverManager" method="getConnection" />
-            <argument type="collection">
-                <argument key="driver" type="string">pdo_sqlite</argument>
-                <argument key="path" type="string">%doctrine.website.cache_dir%/doctrine-website.sqlite</argument>
-            </argument>
-        </service>
-
-        <service id="Doctrine\ORM\EntityManager">
-            <argument type="service" id="Doctrine\DBAL\Connection" />
-            <argument type="service" id="Doctrine\ORM\Configuration" />
-        </service>
-
-        <service alias="Doctrine\ORM\EntityManager" id="Doctrine\ORM\EntityManagerInterface" public="true" />
-    </services>
-</container>
diff --git a/lib/Application.php b/lib/Application.php
index 18f3b7c..4d50827 100644
--- a/lib/Application.php
+++ b/lib/Application.php
@@ -22,7 +22,7 @@ use Symfony\Component\Console\Helper\QuestionHelper;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Input\InputOption;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
-use Symfony\Component\DependencyInjection\Loader\XmlFileLoader;
+use Symfony\Component\DependencyInjection\Loader\PhpFileLoader;
 use Symfony\Component\DependencyInjection\Loader\YamlFileLoader;
 
 use function assert;
@@ -98,8 +98,8 @@ final readonly class Application
             $container->loadFromExtension($extension->getAlias());
         }
 
-        $xmlConfigLoader = new XmlFileLoader($container, new FileLocator(__DIR__ . '/../config'));
-        $xmlConfigLoader->load('services.xml');
+        $xmlConfigLoader = new PhpFileLoader($container, new FileLocator(__DIR__ . '/../config'));
+        $xmlConfigLoader->load('services.php');
 
         $yamlConfigLoader = new YamlFileLoader($container, new FileLocator(__DIR__ . '/../config'));
         $yamlConfigLoader->load('routes.yml');