diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000000000000000000000000000000000000..9ab59b180fb670006ac910a2bc4524a1376dcea0
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,15 @@
+
+# Ignore developer files when exporting
+.gitattributes         export-ignore
+.gitignore             export-ignore
+.gitlab-ci.yml         export-ignore
+.phive                 export-ignore
+captainhook.json       export-ignore
+phpcs.xml.dist         export-ignore
+phpstan-baseline.neon  export-ignore
+phpstan.dist.neon      export-ignore
+phpunit.dist.xml       export-ignore
+tests                  export-ignore
+
+# Explicitly set file type and line endings for PHP files, improves git diff output
+*.php     text eol=lf diff=php
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..b9f7c5c4723a7ff60166164bae8afaeec189067a
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,8 @@
+
+tools/
+
+phpstan.neon
+
+.phpunit.result.cache
+
+phpunit.xml
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index b8d20acb6c365ad8036a7b36d47dabd876d08efa..b5a64b401e554341447c74d7cf93a89ac95a3fdb 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,3 +1,17 @@
 include:
-  - project: 'quiqqer/stabilization/semantic-release'
-    file: '/ci-templates/.gitlab-ci.yml'
+  - component: dev.quiqqer.com/quiqqer/stabilization/ci-cd-components/quiqqer-package-bundle/quiqqer-package-bundle@main
+
+# Remove the entire phpunit-php8.1 block, to allow PHPUnit to run on PHP 8.1 in your pipeline
+phpunit-php8.1:
+  rules:
+    - when: never
+
+# Remove the entire phpunit-php8.2 block, to allow PHPUnit to run on PHP 8.2 in your pipeline
+phpunit-php8.2:
+  rules:
+    - when: never
+
+# Remove the entire phpunit-php8.3 block, to allow PHPUnit to run on PHP 8.3 in your pipeline
+phpunit-php8.3:
+  rules:
+    - when: never
\ No newline at end of file
diff --git a/.phive/phars.xml b/.phive/phars.xml
new file mode 100644
index 0000000000000000000000000000000000000000..5bfa092bfad10dad9d23240281a5a2041acb815b
--- /dev/null
+++ b/.phive/phars.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<phive xmlns="https://phar.io/phive">
+  <phar name="phpstan" version="1.11.8" installed="1.11.8" location="./tools/phpstan" copy="false"/>
+  <phar name="phpunit" version="^10.5.20" installed="10.5.20" location="./tools/phpunit" copy="false"/>
+  <phar name="phpcs" version="^3.10.1" installed="3.10.1" location="./tools/phpcs" copy="false"/>
+  <phar name="phpcbf" version="^3.10.1" installed="3.10.1" location="./tools/phpcbf" copy="false"/>
+  <phar name="captainhook" version="^5.23.3" installed="5.23.3" location="./tools/captainhook" copy="false"/>
+</phive>
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
new file mode 100644
index 0000000000000000000000000000000000000000..4a69a59b440e5beec561eca1e341509bd5a18688
--- /dev/null
+++ b/CONTRIBUTING.md
@@ -0,0 +1,3 @@
+# Contributing
+
+This package follows the [QUIQQER contribution guidelines](https://dev.quiqqer.com/quiqqer/stabilization/documentation/-/wikis/home).
\ No newline at end of file
diff --git a/captainhook.json b/captainhook.json
new file mode 100644
index 0000000000000000000000000000000000000000..3702e1a358868bedd5ff4c7eae40bb1abb589267
--- /dev/null
+++ b/captainhook.json
@@ -0,0 +1,13 @@
+{
+    "pre-commit": {
+        "enabled": true,
+        "actions": [
+            {
+                "action": "\\CaptainHook\\App\\Hook\\PHP\\Action\\Linting"
+            },
+            {
+                "action": "composer test"
+            }
+        ]
+    }
+}
\ No newline at end of file
diff --git a/composer.json b/composer.json
index 0c520071e471dca7d75e5ef83c2533e8702e38f6..5689cd44fe9d0ae901bcffce55db4e49bdf0b9aa 100644
--- a/composer.json
+++ b/composer.json
@@ -1,38 +1,80 @@
 {
-  "name": "quiqqer/template-cologne",
-  "type": "quiqqer-template",
-  "description": "The QUIQQER Cologne E-Commerce Template",
-  "license": "GPLv3",
-  "authors": [
-    {
-      "name": "Henning Leutz",
-      "email": "support@pcsg.de",
-      "homepage": "https://www.pcsg.de",
-      "role": "Developer"
+    "name": "quiqqer/template-cologne",
+    "type": "quiqqer-template",
+    "description": "The QUIQQER Cologne E-Commerce Template",
+    "license": "GPLv3",
+    "authors": [
+        {
+            "name": "Henning Leutz",
+            "email": "support@pcsg.de",
+            "homepage": "https://www.pcsg.de",
+            "role": "Developer"
+        }
+    ],
+    "support": {
+        "email": "support@pcsg.de",
+        "url": "https://www.pcsg.de"
+    },
+    "require": {
+        "php": "^8.1",
+        "quiqqer/core": "^2",
+        "quiqqer/erp": "^3",
+        "quiqqer/products": "^2",
+        "quiqqer/order": "^2",
+        "quiqqer/product-bricks": "^2",
+        "quiqqer/frontend-users": "^2",
+        "quiqqer/menu": "^3",
+        "quiqqer/sitetypes": "^2",
+        "quiqqer/unsemantic": "^2",
+        "quiqqer-asset/fastclick": "^1",
+        "quiqqer/tooltips": "^2",
+        "quiqqer/currency": "^2"
+    },
+    "autoload": {
+        "psr-4": {
+            "QUI\\TemplateCologne\\": "src/QUI/TemplateCologne"
+        }
+    },
+    "scripts": {
+        "test": [
+            "@dev:lint",
+            "@dev:phpunit"
+        ],
+        "dev:phpunit": "./tools/phpunit",
+        "dev:lint": [
+            "@dev:lint:phpstan",
+            "@dev:lint:style"
+        ],
+        "dev:lint:phpstan": "./tools/phpstan",
+        "dev:lint:style": "./tools/phpcs",
+        "dev:lint:style:fix": "./tools/phpcbf",
+        "dev:init": [
+            "@dev:init:check-requirements",
+            "@dev:init:tools",
+            "@dev:init:git-hooks"
+        ],
+        "dev:init:check-requirements": [
+            "which composer > /dev/null || (echo 'Error: composer has to be globally installed'; exit 1)",
+            "which phive > /dev/null || (echo 'Error: PHIVE has to be globally installed'; exit 1)"
+        ],
+        "dev:init:tools": "phive install --temporary",
+        "dev:init:git-hooks": "./tools/captainhook install --only-enabled --force"
+    },
+    "scripts-aliases": {
+        "test": [
+            "dev:test"
+        ]
+    },
+    "scripts-descriptions": {
+        "test": "Runs linting, static analysis, and unit tests.",
+        "dev:phpunit": "Run PHPUnit test suites",
+        "dev:lint": "Run PHPStan and code style check",
+        "dev:lint:phpstan": "Run PHPStan",
+        "dev:lint:style": "Run code style check (PHP_CodeSniffer)",
+        "dev:lint:style:fix": "Try to fix code style errors automatically",
+        "dev:init": "Initialize the developer tooling (tools and git hooks)",
+        "dev:init:check-requirements": "Check if the necessary requirements are met",
+        "dev:init:tools": "Install all developer tools (requires PHIVE)",
+        "dev:init:git-hooks": "Install all git hooks (may require tools to be installed)"
     }
-  ],
-  "support": {
-    "email": "support@pcsg.de",
-    "url": "https://www.pcsg.de"
-  },
-  "require": {
-    "php": "^8.1",
-    "quiqqer/core": "^2",
-    "quiqqer/erp": "^3",
-    "quiqqer/products": "^2",
-    "quiqqer/order": "^2",
-    "quiqqer/product-bricks": "^2",
-    "quiqqer/frontend-users": "^2",
-    "quiqqer/menu": "^3",
-    "quiqqer/sitetypes": "^2",
-    "quiqqer/unsemantic": "^2",
-    "quiqqer-asset/fastclick": "^1",
-    "quiqqer/tooltips": "^2",
-    "quiqqer/currency": "^2"
-  },
-  "autoload": {
-    "psr-4": {
-      "QUI\\TemplateCologne\\": "src/QUI/TemplateCologne"
-    }
-  }
-}
+}
\ No newline at end of file
diff --git a/phpcs.xml.dist b/phpcs.xml.dist
new file mode 100644
index 0000000000000000000000000000000000000000..d48084fbdc86a2dbfb78dd89ab2e0b0ff2322ba7
--- /dev/null
+++ b/phpcs.xml.dist
@@ -0,0 +1,23 @@
+<?xml version="1.0"?>
+<ruleset>
+    <!-- Use PSR-12 ruleset -->
+    <rule ref="PSR12"/>
+
+    <!-- Only scan *.php files -->
+    <arg name="extensions" value="php"/>
+
+    <!-- Ignore warnings -->
+    <arg name="warning-severity" value="0"/>
+
+    <!-- Process 64 (or number of CPU cores) files in parallel -->
+    <arg name="parallel" value="64"/>
+
+    <!-- Output relative file paths, by setting the current folder as the basepath -->
+    <arg name="basepath" value="."/>
+
+    <!-- Show colored output -->
+    <arg name="colors"/>
+
+    <!-- Scan everything in the current folder -->
+    <file>.</file>
+</ruleset>
diff --git a/phpstan-baseline.neon b/phpstan-baseline.neon
new file mode 100644
index 0000000000000000000000000000000000000000..0fa167e4334aba70f2e8321bce11f980e22fd2f9
--- /dev/null
+++ b/phpstan-baseline.neon
@@ -0,0 +1,51 @@
+parameters:
+	ignoreErrors:
+		-
+			message: "#^Call to an undefined method QUI\\\\Interfaces\\\\Projects\\\\Site\\:\\:getCachePath\\(\\)\\.$#"
+			count: 1
+			path: src/QUI/TemplateCologne/Controls/Menu/Categories.php
+
+		-
+			message: "#^Access to constant PRODUCT_FIELD_SHIPPING_TIME on an unknown class QUI\\\\ERP\\\\Shipping\\\\Shipping\\.$#"
+			count: 1
+			path: src/QUI/TemplateCologne/Utils.php
+
+		-
+			message: "#^Access to constant PRODUCT_FIELD_STOCK on an unknown class QUI\\\\ERP\\\\StockManagement\\\\StockManager\\.$#"
+			count: 1
+			path: src/QUI/TemplateCologne/Utils.php
+
+		-
+			message: "#^Call to method setProduct\\(\\) on an unknown class QUI\\\\ERP\\\\StockManagement\\\\Products\\\\Fields\\\\StockView\\.$#"
+			count: 1
+			path: src/QUI/TemplateCologne/Utils.php
+
+		-
+			message: "#^Call to static method getShippingTimeFrontendViewByProduct\\(\\) on an unknown class QUI\\\\ERP\\\\StockManagement\\\\StockManager\\.$#"
+			count: 1
+			path: src/QUI/TemplateCologne/Utils.php
+
+		-
+			message: "#^Method QUI\\\\TemplateCologne\\\\Utils\\:\\:getStockFrontendView\\(\\) should return QUI\\\\ERP\\\\Products\\\\Field\\\\View\\|false but returns QUI\\\\ERP\\\\StockManagement\\\\Products\\\\Fields\\\\StockView\\.$#"
+			count: 1
+			path: src/QUI/TemplateCologne/Utils.php
+
+		-
+			message: "#^PHPDoc tag @var for variable \\$StockView contains unknown class QUI\\\\ERP\\\\StockManagement\\\\Products\\\\Fields\\\\StockView\\.$#"
+			count: 1
+			path: src/QUI/TemplateCologne/Utils.php
+
+		-
+			message: "#^PHPDoc tag @var has invalid value \\(\\$Site Site\\)\\: Unexpected token \"\\$Site\", expected type at offset 9$#"
+			count: 1
+			path: src/QUI/TemplateCologne/Utils.php
+
+		-
+			message: "#^Variable \\$Project might not be defined\\.$#"
+			count: 2
+			path: src/QUI/TemplateCologne/settings.css.php
+
+		-
+			message: "#^Variable \\$Site might not be defined\\.$#"
+			count: 1
+			path: src/QUI/TemplateCologne/settings.css.php
diff --git a/phpstan.dist.neon b/phpstan.dist.neon
new file mode 100644
index 0000000000000000000000000000000000000000..dc33bb4eaabd6fab16696f6e9ea5b43071cfdf84
--- /dev/null
+++ b/phpstan.dist.neon
@@ -0,0 +1,11 @@
+includes:
+	- phpstan-baseline.neon
+
+parameters:
+    level: 5
+    paths:
+        - src
+        - ajax
+    bootstrapFiles:
+        - tests/phpstan-bootstrap.php
+    tipsOfTheDay: false
diff --git a/phpunit.dist.xml b/phpunit.dist.xml
new file mode 100644
index 0000000000000000000000000000000000000000..f6c7becf0c12757beb871a9333e2d81e02aa7cae
--- /dev/null
+++ b/phpunit.dist.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit bootstrap="tests/phpunit-bootstrap.php">
+    <testsuites>
+        <testsuite name="Tests">
+            <directory>tests/</directory>
+        </testsuite>
+    </testsuites>
+</phpunit>
diff --git a/src/QUI/TemplateCologne/Utils.php b/src/QUI/TemplateCologne/Utils.php
index 6c777c875b48197421c7d56aeda9e21ca5c57ead..bfa1bfa51a30193db9b6b0bb8fa0a99254ff8111 100644
--- a/src/QUI/TemplateCologne/Utils.php
+++ b/src/QUI/TemplateCologne/Utils.php
@@ -732,6 +732,5 @@ public static function getSetting(string $settingName): bool|array|int|string
 
             return '';
         }
-
     }
 }
diff --git a/tests/phpstan-bootstrap.php b/tests/phpstan-bootstrap.php
new file mode 100644
index 0000000000000000000000000000000000000000..b61ff4b8300a965e0f46025ba64745a22b118e74
--- /dev/null
+++ b/tests/phpstan-bootstrap.php
@@ -0,0 +1,13 @@
+<?php
+
+if (!defined('QUIQQER_SYSTEM')) {
+    define('QUIQQER_SYSTEM', true);
+}
+
+if (!defined('QUIQQER_AJAX')) {
+    define('QUIQQER_AJAX', true);
+}
+
+putenv("QUIQQER_OTHER_AUTOLOADERS=KEEP");
+
+require_once __DIR__ . '/../../../../bootstrap.php';
diff --git a/tests/phpunit-bootstrap.php b/tests/phpunit-bootstrap.php
new file mode 100644
index 0000000000000000000000000000000000000000..eca92fd67bed8ae4ec424ed82d300119d792f042
--- /dev/null
+++ b/tests/phpunit-bootstrap.php
@@ -0,0 +1,11 @@
+<?php
+
+if (!defined('QUIQQER_SYSTEM')) {
+    define('QUIQQER_SYSTEM', true);
+}
+
+if (!defined('QUIQQER_AJAX')) {
+    define('QUIQQER_AJAX', true);
+}
+
+require_once __DIR__ . '/../../../../bootstrap.php';