diff --git a/.github/workflows/integration.yml b/.github/workflows/integration.yml
new file mode 100644
index 0000000..9a8be03
--- /dev/null
+++ b/.github/workflows/integration.yml
@@ -0,0 +1,31 @@
+name: Integration tests
+on: [push]
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        php-version: [8.1]
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Cache Composer dependencies
+        uses: actions/cache@v3
+        with:
+          path: /tmp/composer-cache
+          key: ${{ runner.os }}-${{ matrix.php-version }}
+
+      - uses: php-actions/composer@v6
+        with:
+          php_version: ${{ matrix.php-version }}
+          php_extensions: apcu bcmath gd intl pdo_mysql pcntl sodium
+          args: --ignore-platform-reqs
+
+      - uses: php-actions/composer@v6
+        with:
+          php_version: ${{ matrix.php-version }}
+          php_extensions: apcu bcmath gd intl pdo_mysql pcntl sodium
+          command: tests:integration
diff --git a/.github/workflows/unit.yml b/.github/workflows/unit.yml
new file mode 100644
index 0000000..3cf9f29
--- /dev/null
+++ b/.github/workflows/unit.yml
@@ -0,0 +1,30 @@
+name: Unit tests
+on: [push]
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        php-version: [8.1]
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Cache Composer dependencies
+        uses: actions/cache@v3
+        with:
+          path: /tmp/composer-cache
+          key: ${{ runner.os }}-${{ matrix.php-version }}
+      - uses: php-actions/composer@v6
+        with:
+          php_version: ${{ matrix.php-version }}
+          php_extensions: apcu bcmath gd intl pdo_mysql pcntl sodium
+          args: --ignore-platform-reqs
+
+      - uses: php-actions/composer@v6
+        with:
+          php_version: ${{ matrix.php-version }}
+          php_extensions: apcu bcmath gd intl pdo_mysql pcntl sodium
+          command: tests:unit
diff --git a/.gitignore b/.gitignore
index a67d42b..791cf89 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,10 @@
-composer.phar
+/composer.phar
 /vendor/
+/.idea/
+/build/*/*
+!/build/*/composer.json
+/composer.lock
+/.phpunit.result.cache
 
 # Commit your application's lock file https://getcomposer.org/doc/01-basic-usage.md#commit-your-composer-lock-file-to-version-control
 # You may choose to ignore a library lock file http://getcomposer.org/doc/02-libraries.md#lock-file
-# composer.lock
diff --git a/build.sh b/build.sh
new file mode 100755
index 0000000..64e1bac
--- /dev/null
+++ b/build.sh
@@ -0,0 +1,20 @@
+#!/bin/bash
+
+SCRIPT_NAME=$0
+DIRECTORY=$(dirname $SCRIPT_NAME)
+
+cd $DIRECTORY/build || exit 1
+
+build_magento() {
+  PREV_DIR=$(pwd)
+  cd $1 || return
+  composer install --no-dev --prefer-dist --ignore-platform-reqs --no-progress || exit 1
+  cd $PREV_DIR || return
+}
+
+for BUILD in $(find ./ -mindepth 1 -maxdepth 1 -type d -exec echo {} \;)
+do
+  build_magento $BUILD &
+done
+
+wait
diff --git a/build/2.4.4-p1/composer.json b/build/2.4.4-p1/composer.json
new file mode 100644
index 0000000..83cd7ea
--- /dev/null
+++ b/build/2.4.4-p1/composer.json
@@ -0,0 +1,87 @@
+{
+  "name": "magento/project-community-edition",
+  "description": "eCommerce Platform for Growth (Community Edition)",
+  "type": "project",
+  "license": [
+    "OSL-3.0",
+    "AFL-3.0"
+  ],
+  "config": {
+    "allow-plugins": {
+      "dealerdirect/phpcodesniffer-composer-installer": true,
+      "laminas/laminas-dependency-plugin": true,
+      "magento/*": true
+    },
+    "preferred-install": "dist",
+    "sort-packages": true
+  },
+  "version": "2.4.4-p1",
+  "require": {
+    "magento/product-community-edition": "2.4.4-p1",
+    "ecomdev/magento2-compiler": "*"
+  },
+  "autoload": {
+    "exclude-from-classmap": [
+      "**/dev/**",
+      "**/update/**",
+      "**/Test/**"
+    ],
+    "files": [
+      "app/etc/NonComposerComponentRegistration.php"
+    ],
+    "psr-0": {
+      "": [
+        "app/code/",
+        "generated/code/"
+      ]
+    },
+    "psr-4": {
+      "Magento\\": "app/code/Magento/",
+      "Magento\\Framework\\": "lib/internal/Magento/Framework/",
+      "Magento\\Setup\\": "setup/src/Magento/Setup/"
+    }
+  },
+  "require-dev": {
+    "allure-framework/allure-phpunit": "~1.5.0",
+    "dealerdirect/phpcodesniffer-composer-installer": "^0.7.2",
+    "friendsofphp/php-cs-fixer": "~3.4.0",
+    "lusitanian/oauth": "~0.8.10",
+    "magento/magento-coding-standard": "*",
+    "magento/magento2-functional-testing-framework": "^3.7",
+    "pdepend/pdepend": "~2.10.0",
+    "phpmd/phpmd": "^2.12.0",
+    "phpstan/phpstan": "^1.6.8",
+    "phpunit/phpunit": "~9.5.20",
+    "sebastian/phpcpd": "^6.0.3",
+    "squizlabs/php_codesniffer": "~3.6.0",
+    "symfony/finder": "^5.2"
+  },
+  "conflict": {
+    "gene/bluefoot": "*"
+  },
+  "autoload-dev": {
+    "psr-4": {
+      "Magento\\PhpStan\\": "dev/tests/static/framework/Magento/PhpStan/",
+      "Magento\\Sniffs\\": "dev/tests/static/framework/Magento/Sniffs/",
+      "Magento\\TestFramework\\Inspection\\": "dev/tests/static/framework/Magento/TestFramework/Inspection/",
+      "Magento\\TestFramework\\Utility\\": "dev/tests/static/framework/Magento/TestFramework/Utility/",
+      "Magento\\Tools\\": "dev/tools/Magento/Tools/",
+      "Magento\\Tools\\Sanity\\": "dev/build/publication/sanity/Magento/Tools/Sanity/"
+    }
+  },
+  "prefer-stable": true,
+  "extra": {
+    "magento-force": "override"
+  },
+  "repositories": [
+    {
+      "type": "composer",
+      "url": "https://mirror.mage-os.org"
+    },
+    {
+      "type": "path",
+      "url": "../../"
+    }
+  ],
+  "minimum-stability": "dev"
+}
diff --git a/build/2.4.4/composer.json b/build/2.4.4/composer.json
new file mode 100644
index 0000000..141579d
--- /dev/null
+++ b/build/2.4.4/composer.json
@@ -0,0 +1,87 @@
+{
+  "name": "magento/project-community-edition",
+  "description": "eCommerce Platform for Growth (Community Edition)",
+  "type": "project",
+  "license": [
+    "OSL-3.0",
+    "AFL-3.0"
+  ],
+  "config": {
+    "allow-plugins": {
+      "dealerdirect/phpcodesniffer-composer-installer": true,
+      "laminas/laminas-dependency-plugin": true,
+      "magento/*": true
+    },
+    "preferred-install": "dist",
+    "sort-packages": true
+  },
+  "version": "2.4.4",
+  "require": {
+    "magento/product-community-edition": "2.4.4",
+    "ecomdev/magento2-compiler": "*"
+  },
+  "autoload": {
+    "exclude-from-classmap": [
+      "**/dev/**",
+      "**/update/**",
+      "**/Test/**"
+    ],
+    "files": [
+      "app/etc/NonComposerComponentRegistration.php"
+    ],
+    "psr-0": {
+      "": [
+        "app/code/",
+        "generated/code/"
+      ]
+    },
+    "psr-4": {
+      "Magento\\": "app/code/Magento/",
+      "Magento\\Framework\\": "lib/internal/Magento/Framework/",
+      "Magento\\Setup\\": "setup/src/Magento/Setup/"
+    }
+  },
+  "require-dev": {
+    "allure-framework/allure-phpunit": "~1.5.0",
+    "dealerdirect/phpcodesniffer-composer-installer": "^0.7.2",
+    "friendsofphp/php-cs-fixer": "~3.4.0",
+    "lusitanian/oauth": "~0.8.10",
+    "magento/magento-coding-standard": "*",
+    "magento/magento2-functional-testing-framework": "^3.7",
+    "pdepend/pdepend": "~2.10.0",
+    "phpmd/phpmd": "^2.12.0",
+    "phpstan/phpstan": "^1.6.8",
+    "phpunit/phpunit": "~9.5.20",
+    "sebastian/phpcpd": "^6.0.3",
+    "squizlabs/php_codesniffer": "~3.6.0",
+    "symfony/finder": "^5.2"
+  },
+  "conflict": {
+    "gene/bluefoot": "*"
+  },
+  "autoload-dev": {
+    "psr-4": {
+      "Magento\\PhpStan\\": "dev/tests/static/framework/Magento/PhpStan/",
+      "Magento\\Sniffs\\": "dev/tests/static/framework/Magento/Sniffs/",
+      "Magento\\TestFramework\\Inspection\\": "dev/tests/static/framework/Magento/TestFramework/Inspection/",
+      "Magento\\TestFramework\\Utility\\": "dev/tests/static/framework/Magento/TestFramework/Utility/",
+      "Magento\\Tools\\": "dev/tools/Magento/Tools/",
+      "Magento\\Tools\\Sanity\\": "dev/build/publication/sanity/Magento/Tools/Sanity/"
+    }
+  },
+  "prefer-stable": true,
+  "extra": {
+    "magento-force": "override"
+  },
+  "repositories": [
+    {
+      "type": "composer",
+      "url": "https://mirror.mage-os.org"
+    },
+    {
+      "type": "path",
+      "url": "../../"
+    }
+  ],
+  "minimum-stability": "dev"
+}
diff --git a/build/2.4.5/composer.json b/build/2.4.5/composer.json
new file mode 100644
index 0000000..1a6f5b5
--- /dev/null
+++ b/build/2.4.5/composer.json
@@ -0,0 +1,87 @@
+{
+  "name": "magento/project-community-edition",
+  "description": "eCommerce Platform for Growth (Community Edition)",
+  "type": "project",
+  "license": [
+    "OSL-3.0",
+    "AFL-3.0"
+  ],
+  "config": {
+    "allow-plugins": {
+      "dealerdirect/phpcodesniffer-composer-installer": true,
+      "laminas/laminas-dependency-plugin": true,
+      "magento/*": true
+    },
+    "preferred-install": "dist",
+    "sort-packages": true
+  },
+  "version": "2.4.5",
+  "require": {
+    "magento/product-community-edition": "2.4.5",
+    "ecomdev/magento2-compiler": "*"
+  },
+  "autoload": {
+    "exclude-from-classmap": [
+      "**/dev/**",
+      "**/update/**",
+      "**/Test/**"
+    ],
+    "files": [
+      "app/etc/NonComposerComponentRegistration.php"
+    ],
+    "psr-0": {
+      "": [
+        "app/code/",
+        "generated/code/"
+      ]
+    },
+    "psr-4": {
+      "Magento\\": "app/code/Magento/",
+      "Magento\\Framework\\": "lib/internal/Magento/Framework/",
+      "Magento\\Setup\\": "setup/src/Magento/Setup/"
+    }
+  },
+  "require-dev": {
+    "allure-framework/allure-phpunit": "~1.5.0",
+    "dealerdirect/phpcodesniffer-composer-installer": "^0.7.2",
+    "friendsofphp/php-cs-fixer": "~3.4.0",
+    "lusitanian/oauth": "~0.8.10",
+    "magento/magento-coding-standard": "*",
+    "magento/magento2-functional-testing-framework": "^3.7",
+    "pdepend/pdepend": "~2.10.0",
+    "phpmd/phpmd": "^2.12.0",
+    "phpstan/phpstan": "^1.6.8",
+    "phpunit/phpunit": "~9.5.20",
+    "sebastian/phpcpd": "^6.0.3",
+    "squizlabs/php_codesniffer": "~3.6.0",
+    "symfony/finder": "^5.2"
+  },
+  "conflict": {
+    "gene/bluefoot": "*"
+  },
+  "autoload-dev": {
+    "psr-4": {
+      "Magento\\PhpStan\\": "dev/tests/static/framework/Magento/PhpStan/",
+      "Magento\\Sniffs\\": "dev/tests/static/framework/Magento/Sniffs/",
+      "Magento\\TestFramework\\Inspection\\": "dev/tests/static/framework/Magento/TestFramework/Inspection/",
+      "Magento\\TestFramework\\Utility\\": "dev/tests/static/framework/Magento/TestFramework/Utility/",
+      "Magento\\Tools\\": "dev/tools/Magento/Tools/",
+      "Magento\\Tools\\Sanity\\": "dev/build/publication/sanity/Magento/Tools/Sanity/"
+    }
+  },
+  "prefer-stable": true,
+  "extra": {
+    "magento-force": "override"
+  },
+  "repositories": [
+    {
+      "type": "composer",
+      "url": "https://mirror.mage-os.org"
+    },
+    {
+      "type": "path",
+      "url": "../../"
+    }
+  ],
+  "minimum-stability": "dev"
+}
diff --git a/composer.json b/composer.json
new file mode 100644
index 0000000..4a56bdf
--- /dev/null
+++ b/composer.json
@@ -0,0 +1,56 @@
+{
+    "name": "ecomdev/magento2-compiler",
+    "description": "Magento 2 Drop-In replacement for setup:di:compile",
+    "type": "magento2-module",
+    "license": "MIT",
+    "autoload": {
+        "psr-4": {
+            "EcomDev\\Magento2Compiler\\": "src/"
+        },
+        "files": [
+            "src/registration.php",
+            "src/commands.php"
+        ]
+    },
+    "autoload-dev": {
+        "psr-4": {
+            "EcomDev\\Magento2Compiler\\": "tests/"
+        },
+        "files": [
+            "tests/functions.php"
+        ]
+    },
+    "authors": [
+        {
+            "name": "Ivan Chepurnyi",
+            "email": "ivan.chepurnyi@ecomdev.org"
+        }
+    ],
+    "require": {
+        "php": "~8.1",
+        "magento/framework": "~102.0|~103.0",
+        "magento/magento2-base": "~2.4.0"
+    },
+    "require-dev": {
+        "phpunit/phpunit": "~9.5"
+    },
+    "repositories": [
+        {
+            "type": "composer",
+            "url": "https://mirror.mage-os.org/"
+        }
+    ],
+    "config": {
+        "allow-plugins": {
+            "magento/composer-dependency-version-audit-plugin": false,
+            "magento/magento-composer-installer": false
+        }
+    },
+    "scripts": {
+        "tests:unit": "phpunit tests --exclude-group integration",
+        "tests:integration": [
+            "./build.sh",
+            "phpunit tests --group integration"
+        ]
+    }
+}
diff --git a/src/Console/Command/CompileCommand.php b/src/Console/Command/CompileCommand.php
new file mode 100644
index 0000000..f5b1248
--- /dev/null
+++ b/src/Console/Command/CompileCommand.php
@@ -0,0 +1,27 @@
+<?php
+/**
+ * Copyright © EcomDev B.V. All rights reserved.
+ * See LICENSE for license details.
+ */
+
+declare(strict_types=1);
+
+namespace EcomDev\Magento2Compiler\Console\Command;
+
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+
+class CompileCommand extends Command
+{
+    protected function configure()
+    {
+        $this->setName('setup:di:compile');
+        $this->setDescription('DI compilation powered by <info>ecomdev/magento2-compiler</info>.');
+    }
+
+    protected function execute(InputInterface $input, OutputInterface $output)
+    {
+        $output->writeln("<info>Compilation is WIP</info>");
+    }
+}
diff --git a/src/Console/CommandList.php b/src/Console/CommandList.php
new file mode 100644
index 0000000..aff594c
--- /dev/null
+++ b/src/Console/CommandList.php
@@ -0,0 +1,29 @@
+<?php
+/**
+ * Copyright © EcomDev B.V. All rights reserved.
+ * See LICENSE for license details.
+ */
+
+declare(strict_types=1);
+
+namespace EcomDev\Magento2Compiler\Console;
+
+use EcomDev\Magento2Compiler\Console\Command\CompileCommand;
+use Magento\Framework\ObjectManagerInterface;
+
+class CommandList
+{
+    private ObjectManagerInterface $objectManager;
+
+    public function __construct(ObjectManagerInterface $objectManager)
+    {
+        $this->objectManager = $objectManager;
+    }
+
+    public function getCommands(): array
+    {
+        return [
+            $this->objectManager->get(CompileCommand::class)
+        ];
+    }
+}
diff --git a/src/commands.php b/src/commands.php
new file mode 100644
index 0000000..4ee60a5
--- /dev/null
+++ b/src/commands.php
@@ -0,0 +1,12 @@
+<?php
+/**
+ * Copyright © EcomDev B.V. All rights reserved.
+ * See LICENSE for license details.
+ */
+
+declare(strict_types=1);
+
+use EcomDev\Magento2Compiler\Console\CommandList;
+use Magento\Framework\Console\CommandLocator;
+
+CommandLocator::register(CommandList::class);
diff --git a/src/registration.php b/src/registration.php
new file mode 100644
index 0000000..a9d375d
--- /dev/null
+++ b/src/registration.php
@@ -0,0 +1,15 @@
+<?php
+/**
+ * Copyright © EcomDev B.V. All rights reserved.
+ * See LICENSE for license details.
+ */
+
+declare(strict_types=1);
+
+use Magento\Framework\Component\ComponentRegistrar;
+
+ComponentRegistrar::register(
+    ComponentRegistrar::SETUP,
+    'ecomdev/setup-di-compile',
+    __DIR__
+);
diff --git a/tests/IntegrationOfCompileCommandTest.php b/tests/IntegrationOfCompileCommandTest.php
new file mode 100644
index 0000000..1887fa3
--- /dev/null
+++ b/tests/IntegrationOfCompileCommandTest.php
@@ -0,0 +1,41 @@
+<?php
+/**
+ * Copyright © EcomDev B.V. All rights reserved.
+ * See LICENSE for license details.
+ */
+
+declare(strict_types=1);
+
+namespace EcomDev\Magento2Compiler;
+
+use PHPUnit\Framework\TestCase;
+
+/**
+ * @group integration
+ */
+class IntegrationOfCompileCommandTest extends TestCase
+{
+
+
+    /**
+     * @test
+     * @dataProvider installedMagentoVersions
+     */
+    public function listsCustomCommand(string $version)
+    {
+        $output = magentoCommand($version, 'help',  'setup:di:compile', '--format', 'json');
+
+        $this->assertJson($output);
+
+        $result = \json_decode($output, true);
+
+        $this->assertStringContainsString("ecomdev/magento2-compiler", $result['description']);
+    }
+
+    public function installedMagentoVersions(): iterable
+    {
+        foreach (buildVersions() as $version) {
+            yield [$version];
+        }
+    }
+}
diff --git a/tests/functions.php b/tests/functions.php
new file mode 100644
index 0000000..14c28e1
--- /dev/null
+++ b/tests/functions.php
@@ -0,0 +1,43 @@
+<?php
+/**
+ * Copyright © EcomDev B.V. All rights reserved.
+ * See LICENSE for license details.
+ */
+
+declare(strict_types=1);
+
+function buildPath(string... $parts) {
+    $basePath = dirname(__DIR__) . DIRECTORY_SEPARATOR . 'build';
+    if (!$parts) {
+        return $basePath;
+    }
+
+    return $basePath . DIRECTORY_SEPARATOR . implode(DIRECTORY_SEPARATOR, $parts);
+}
+
+function magentoCommand(string $version, string $command, string... $args)
+{
+    return shell_exec(
+        sprintf(
+            "%s %s %s",
+            buildPath($version, 'bin/magento'),
+            escapeshellcmd($command),
+            implode(' ', array_map('escapeshellarg', $args))
+        )
+    );
+}
+
+function buildVersions(): iterable
+{
+    foreach (new \DirectoryIterator(buildPath()) as $item) {
+        if ($item->isDot() || !$item->isDir()) {
+            continue;
+        }
+
+        if (!file_exists(buildPath($item->getFilename(), 'bin/magento'))) {
+            continue;
+        }
+
+        yield $item->getFilename();
+    }
+}