diff --git a/README.md b/README.md
index 2bb3c6e..4dbb3bb 100644
--- a/README.md
+++ b/README.md
@@ -1,28 +1,7 @@
-# The PHP framework that gets out of your way.
-[![Coverage Status](https://coveralls.io/repos/github/tempestphp/tempest-framework/badge.svg?branch=main)](https://coveralls.io/github/tempestphp/tempest-framework?branch=main)
+# tempest/core
 
-Read how to get started with Tempest [here](https://github.com/tempestphp/tempest-docs/blob/main/app/Content/01-getting-started.md).
-
-Zero config, zero overhead. This is Tempest:
+This package
 
 ```php
-final readonly class BookController
-{
-    #[Get('/blog')]
-    public function index() { /* … */ }
-    
-    #[Get('/blog/{post}')]
-    public function show(Post $post) { /* … */ }
-}
-
-final readonly class RssSyncCommand
-{
-    public function __construct(private Console $console) {}
-
-    #[ConsoleCommand('rss:sync')]
-    public function __invoke(bool $force = false)  { /* … */ }
-}
-```
-
-# Contributing
-We welcome contributing to the Tempest framework! We only ask that you take a quick look at our [guidelines](.github/CONTRIBUTING.md) and then head on over to the issues page to see some ways you might help out!
+composer require tempest/core
+```
\ No newline at end of file
diff --git a/app/TestDependency.php b/app/TestDependency.php
index 47f3235..fe27e9f 100644
--- a/app/TestDependency.php
+++ b/app/TestDependency.php
@@ -1,8 +1,12 @@
 <?php
 
+declare(strict_types=1);
+
 namespace App;
 
 final readonly class TestDependency
 {
-    public function __construct(public string $input) {}
-}
\ No newline at end of file
+    public function __construct(public string $input)
+    {
+    }
+}
diff --git a/app/TestDependencyInitializer.php b/app/TestDependencyInitializer.php
index a434970..cd9916a 100644
--- a/app/TestDependencyInitializer.php
+++ b/app/TestDependencyInitializer.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace App;
 
 use Tempest\Container\Container;
@@ -11,4 +13,4 @@ public function initialize(Container $container): TestDependency
     {
         return new TestDependency('test');
     }
-}
\ No newline at end of file
+}
diff --git a/composer.json b/composer.json
index 2dec6d3..f8d28b7 100644
--- a/composer.json
+++ b/composer.json
@@ -5,7 +5,8 @@
         "php": "^8.3",
         "giggsey/libphonenumber-for-php": "^8.13",
         "egulias/email-validator": "^4.0",
-        "tempest/highlight": "^1.0"
+        "tempest/highlight": "^1.0",
+        "symfony/var-exporter": "^7.0"
     },
     "require-dev": {
         "phpunit/phpunit": "^10.2",
@@ -32,7 +33,6 @@
         "csfixer": "vendor/bin/php-cs-fixer fix --allow-risky=yes",
         "phpstan": "vendor/bin/phpstan analyse src tests app",
         "qa": [
-            "./tempest discovery:clear",
             "composer csfixer",
             "composer phpstan",
             "composer phpunit"
diff --git a/phpstan.neon.dist b/phpstan.neon.dist
index f8f8acd..2920719 100644
--- a/phpstan.neon.dist
+++ b/phpstan.neon.dist
@@ -2,11 +2,6 @@ includes:
 	- phpstan-baseline.php
 	- vendor/phpat/phpat/extension.neon
 	- vendor/spaze/phpstan-disallowed-calls/extension.neon
-services:
-	-
-		class: Tests\Tempest\Architecture\ArchitectureTest
-		tags:
-			- phpat.test
 parameters:
 	level: 6
 	reportUnmatchedIgnoredErrors: false
diff --git a/phpunit.xml b/phpunit.xml
index 4ce3128..98e3782 100644
--- a/phpunit.xml
+++ b/phpunit.xml
@@ -9,9 +9,6 @@
         displayDetailsOnTestsThatTriggerWarnings="true"
 >
   <testsuites>
-    <testsuite name="Integration">
-      <directory suffix="Test.php">./tests/Integration</directory>
-    </testsuite>
     <testsuite name="Unit">
       <directory suffix="Test.php">./tests/Unit</directory>
     </testsuite>
diff --git a/src/CoreConfig.php b/src/AppConfig.php
similarity index 83%
rename from src/CoreConfig.php
rename to src/AppConfig.php
index 75d22c8..99de059 100644
--- a/src/CoreConfig.php
+++ b/src/AppConfig.php
@@ -1,16 +1,17 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Tempest;
 
 use Tempest\Discovery\DiscoveryDiscovery;
 
-final class CoreConfig
+final class AppConfig
 {
     public function __construct(
         public string $root,
-
+        public Environment $environment = Environment::LOCAL,
         public bool $enableExceptionHandling = false,
-
         public bool $discoveryCache = false,
 
         /** @var class-string[] */
@@ -27,5 +28,6 @@ public function __construct(
         public array $exceptionHandlers = [
             // …,
         ],
-    ) {}
-}
\ No newline at end of file
+    ) {
+    }
+}
diff --git a/src/Bootstraps/ConfigBootstrap.php b/src/Bootstraps/ConfigBootstrap.php
index d187222..3ec134e 100644
--- a/src/Bootstraps/ConfigBootstrap.php
+++ b/src/Bootstraps/ConfigBootstrap.php
@@ -4,7 +4,7 @@
 
 namespace Tempest\Bootstraps;
 
-use Tempest\CoreConfig;
+use Tempest\AppConfig;
 use Tempest\Container\Container;
 use Tempest\Support\PathHelper;
 
@@ -18,7 +18,7 @@ public function __construct(
     public function boot(): void
     {
         // Scan for config files in all discovery locations
-        foreach ($this->container->get(CoreConfig::class)->discoveryLocations as $discoveryLocation) {
+        foreach ($this->container->get(AppConfig::class)->discoveryLocations as $discoveryLocation) {
             $configFiles = glob(PathHelper::make($discoveryLocation->path, 'Config/**.php'));
 
             foreach ($configFiles as $configFile) {
diff --git a/src/Bootstraps/DiscoveryBootstrap.php b/src/Bootstraps/DiscoveryBootstrap.php
index 0980053..cc1550e 100644
--- a/src/Bootstraps/DiscoveryBootstrap.php
+++ b/src/Bootstraps/DiscoveryBootstrap.php
@@ -8,7 +8,7 @@
 use RecursiveIteratorIterator;
 use ReflectionClass;
 use SplFileInfo;
-use Tempest\CoreConfig;
+use Tempest\AppConfig;
 use Tempest\Container\Container;
 use Tempest\Discovery\Discovery;
 use Throwable;
@@ -16,27 +16,27 @@
 final readonly class DiscoveryBootstrap implements Bootstrap
 {
     public function __construct(
-        private CoreConfig $coreConfig,
+        private AppConfig $appConfig,
         private Container $container,
     ) {
     }
 
     public function boot(): void
     {
-        reset($this->coreConfig->discoveryClasses);
+        reset($this->appConfig->discoveryClasses);
 
-        while ($discoveryClass = current($this->coreConfig->discoveryClasses)) {
+        while ($discoveryClass = current($this->appConfig->discoveryClasses)) {
             /** @var Discovery $discovery */
             $discovery = $this->container->get($discoveryClass);
 
-            if ($this->coreConfig->discoveryCache && $discovery->hasCache()) {
+            if ($this->appConfig->discoveryCache && $discovery->hasCache()) {
                 $discovery->restoreCache($this->container);
-                next($this->coreConfig->discoveryClasses);
+                next($this->appConfig->discoveryClasses);
 
                 continue;
             }
 
-            foreach ($this->coreConfig->discoveryLocations as $discoveryLocation) {
+            foreach ($this->appConfig->discoveryLocations as $discoveryLocation) {
                 $directories = new RecursiveDirectoryIterator($discoveryLocation->path);
                 $files = new RecursiveIteratorIterator($directories);
 
@@ -69,7 +69,7 @@ public function boot(): void
                 }
             }
 
-            next($this->coreConfig->discoveryClasses);
+            next($this->appConfig->discoveryClasses);
 
             $discovery->storeCache();
         }
diff --git a/src/Bootstraps/DiscoveryLocationBootstrap.php b/src/Bootstraps/DiscoveryLocationBootstrap.php
index da30528..f0877aa 100644
--- a/src/Bootstraps/DiscoveryLocationBootstrap.php
+++ b/src/Bootstraps/DiscoveryLocationBootstrap.php
@@ -4,32 +4,34 @@
 
 namespace Tempest\Bootstraps;
 
-use Tempest\CoreConfig;
+use Tempest\AppConfig;
 use Tempest\Discovery\DiscoveryLocation;
-use Tempest\Kernel;
 use Tempest\Support\PathHelper;
 
 final readonly class DiscoveryLocationBootstrap implements Bootstrap
 {
     public function __construct(
-        private CoreConfig $coreConfig,
-        private Kernel $kernel,
+        private AppConfig $appConfig,
     ) {
     }
 
     public function boot(): void
     {
         $discoveredLocations = [
+            ...$this->discoverCorePackages(),
             ...$this->discoverAppNamespaces(),
-            ...$this->discoverInstalledPackageLocations(),
+            ...$this->discoverVendorPackages(),
         ];
-        
+
         $this->addDiscoveryLocations($discoveredLocations);
     }
 
-    private function discoverInstalledPackageLocations(): array
+    /**
+     * @return DiscoveryLocation[]
+     */
+    private function discoverCorePackages(): array
     {
-        $composerPath = PathHelper::make($this->coreConfig->root, 'vendor/composer');
+        $composerPath = PathHelper::make($this->appConfig->root, 'vendor/composer');
         $installed = $this->loadJsonFile(PathHelper::make($composerPath, 'installed.json'));
         $packages = $installed['packages'] ?? [];
 
@@ -37,57 +39,84 @@ private function discoverInstalledPackageLocations(): array
 
         foreach ($packages as $package) {
             $packagePath = PathHelper::make($composerPath, $package['install-path'] ?? '');
-            $requiresTempest = isset($package['require']['tempest/framework']);
-            $hasPsr4Namespaces = isset($package['autoload']['psr-4']);
             $packageName = ($package['name'] ?? null);
-            $isTempest = $packageName === 'tempest/framework'
-                || $packageName === 'tempest/core';
-
-            if (($requiresTempest && $hasPsr4Namespaces) || $isTempest) {
-                foreach ($package['autoload']['psr-4'] as $namespace => $namespacePath) {
-                    $namespacePath = PathHelper::make($packagePath, $namespacePath);
-
-                    $discoveredLocations[] = [
-                        'namespace' => $namespace,
-                        'path' => $namespacePath,
-                    ];
-                }
+            $isTempest = $packageName === 'tempest/framework' || $packageName === 'tempest/core';
+
+            if (! $isTempest) {
+                continue;
+            }
+
+            foreach ($package['autoload']['psr-4'] as $namespace => $namespacePath) {
+                $namespacePath = PathHelper::make($packagePath, $namespacePath);
+
+                $discoveredLocations[] = new DiscoveryLocation($namespace, $namespacePath);
             }
         }
 
         return $discoveredLocations;
     }
 
+    /**
+     * @return DiscoveryLocation[]
+     */
     private function discoverAppNamespaces(): array
     {
-        $composer = $this->loadJsonFile(PathHelper::make($this->coreConfig->root, 'composer.json'));
+        $composer = $this->loadJsonFile(PathHelper::make($this->appConfig->root, 'composer.json'));
         $namespaceMap = $composer['autoload']['psr-4'] ?? [];
 
         $discoveredLocations = [];
 
         foreach ($namespaceMap as $namespace => $path) {
-            $path = PathHelper::make($this->coreConfig->root, $path);
+            $path = PathHelper::make($this->appConfig->root, $path);
 
-            $discoveredLocations[] = [
-                'namespace' => $namespace,
-                'path' => $path,
-            ];
+            $discoveredLocations[] = new DiscoveryLocation($namespace, $path);
         }
 
         return $discoveredLocations;
     }
 
-    private function addDiscoveryLocations(array $discoveredLocations): void
+    /**
+     * @return DiscoveryLocation[]
+     */
+    private function discoverVendorPackages(): array
     {
-        foreach ($discoveredLocations as $location) {
-            $this->coreConfig->discoveryLocations = [new DiscoveryLocation(...$location), ...$this->coreConfig->discoveryLocations];
+        $composerPath = PathHelper::make($this->appConfig->root, 'vendor/composer');
+        $installed = $this->loadJsonFile(PathHelper::make($composerPath, 'installed.json'));
+        $packages = $installed['packages'] ?? [];
+
+        $discoveredLocations = [];
+
+        foreach ($packages as $package) {
+            $packagePath = PathHelper::make($composerPath, $package['install-path'] ?? '');
+            $requiresTempest = isset($package['require']['tempest/framework']) || isset($package['require']['tempest/core']);
+            $hasPsr4Namespaces = isset($package['autoload']['psr-4']);
+
+            if (! ($requiresTempest && $hasPsr4Namespaces)) {
+                continue;
+            }
+
+            foreach ($package['autoload']['psr-4'] as $namespace => $namespacePath) {
+                $path = PathHelper::make($packagePath, $namespacePath);
+
+                $discoveredLocations[] = new DiscoveryLocation($namespace, $path);
+            }
         }
+
+        return $discoveredLocations;
+    }
+
+    private function addDiscoveryLocations(array $discoveredLocations): void
+    {
+        $this->appConfig->discoveryLocations = [
+            ...$discoveredLocations,
+            ...$this->appConfig->discoveryLocations,
+        ];
     }
 
     private function loadJsonFile(string $path): array
     {
         if (! is_file($path)) {
-            $relativePath = str_replace($this->coreConfig->root, '.', $path);
+            $relativePath = str_replace($this->appConfig->root, '.', $path);
 
             throw new BootstrapException(sprintf('Could not locate %s, try running "composer install"', $relativePath));
         }
diff --git a/src/Container/GenericContainer.php b/src/Container/GenericContainer.php
index dab5c5c..819ff6f 100644
--- a/src/Container/GenericContainer.php
+++ b/src/Container/GenericContainer.php
@@ -11,9 +11,9 @@
 use ReflectionNamedType;
 use ReflectionParameter;
 use ReflectionUnionType;
-use Tempest\Support\Reflection\Attributes;
 use Tempest\Container\Exceptions\CannotAutowireException;
 use Tempest\Container\Exceptions\CannotInstantiateDependencyException;
+use Tempest\Support\Reflection\Attributes;
 use Throwable;
 
 final class GenericContainer implements Container
@@ -176,7 +176,7 @@ private function initializerFor(string $className): null|Initializer|DynamicInit
         ) {
             return null;
         }
-        
+
         if ($initializerClass = $this->initializers[$className] ?? null) {
             return $this->resolve($initializerClass);
         }
diff --git a/src/Discovery/DiscoveryDiscovery.php b/src/Discovery/DiscoveryDiscovery.php
index bdd0c61..11a243e 100644
--- a/src/Discovery/DiscoveryDiscovery.php
+++ b/src/Discovery/DiscoveryDiscovery.php
@@ -5,7 +5,7 @@
 namespace Tempest\Discovery;
 
 use ReflectionClass;
-use Tempest\CoreConfig;
+use Tempest\AppConfig;
 use Tempest\Container\Container;
 
 final readonly class DiscoveryDiscovery implements Discovery
@@ -13,7 +13,7 @@
     public const CACHE_PATH = __DIR__ . '/discovery-discovery.cache.php';
 
     public function __construct(
-        private CoreConfig $coreConfig,
+        private AppConfig $appConfig,
     ) {
     }
 
@@ -27,7 +27,7 @@ public function discover(ReflectionClass $class): void
             return;
         }
 
-        $this->coreConfig->discoveryClasses[] = $class->getName();
+        $this->appConfig->discoveryClasses[] = $class->getName();
     }
 
     public function hasCache(): bool
@@ -37,14 +37,14 @@ public function hasCache(): bool
 
     public function storeCache(): void
     {
-        file_put_contents(self::CACHE_PATH, serialize($this->coreConfig->discoveryClasses));
+        file_put_contents(self::CACHE_PATH, serialize($this->appConfig->discoveryClasses));
     }
 
     public function restoreCache(Container $container): void
     {
         $discoveryClasses = unserialize(file_get_contents(self::CACHE_PATH));
 
-        $this->coreConfig->discoveryClasses = $discoveryClasses;
+        $this->appConfig->discoveryClasses = $discoveryClasses;
     }
 
     public function destroyCache(): void
diff --git a/src/Environment.php b/src/Environment.php
new file mode 100644
index 0000000..c384c63
--- /dev/null
+++ b/src/Environment.php
@@ -0,0 +1,20 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tempest;
+
+enum Environment: string
+{
+    case LOCAL = 'local';
+    case STAGING = 'staging';
+    case PRODUCTION = 'production';
+    case CI = 'ci';
+    case TESTING = 'testing';
+    case OTHER = 'other';
+
+    public function isProduction(): bool
+    {
+        return $this === self::PRODUCTION;
+    }
+}
diff --git a/src/Kernel.php b/src/Kernel.php
index e7b3cfc..6d9c3ee 100644
--- a/src/Kernel.php
+++ b/src/Kernel.php
@@ -13,7 +13,7 @@
 final readonly class Kernel
 {
     public function __construct(
-        private CoreConfig $coreConfig,
+        private AppConfig $appConfig,
     ) {
     }
 
@@ -31,7 +31,7 @@ public function init(): Container
             $container->get(
                 $bootstrap,
                 kernel: $this,
-                coreConfig: $this->coreConfig,
+                appConfig: $this->appConfig,
             )->boot();
         }
 
@@ -45,7 +45,7 @@ private function createContainer(): Container
         GenericContainer::setInstance($container);
 
         $container
-            ->config($this->coreConfig)
+            ->config($this->appConfig)
             ->singleton(self::class, fn () => $this)
             ->singleton(Container::class, fn () => $container);
 
diff --git a/src/Support/PathHelper.php b/src/Support/PathHelper.php
index 7653ba5..956b52d 100644
--- a/src/Support/PathHelper.php
+++ b/src/Support/PathHelper.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Tempest\Support;
 
 final readonly class PathHelper
@@ -14,4 +16,4 @@ public static function make(string ...$parts): string
             $path,
         );
     }
-}
\ No newline at end of file
+}
diff --git a/tests/Unit/KernelTest.php b/tests/Unit/KernelTest.php
index c6c17e7..5d58f61 100644
--- a/tests/Unit/KernelTest.php
+++ b/tests/Unit/KernelTest.php
@@ -1,42 +1,48 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Tests\Tempest\Unit;
 
 use App\TestDependency;
 use PHPUnit\Framework\TestCase;
+use Tempest\AppConfig;
 use Tempest\Container\Container;
-use Tempest\CoreConfig;
 use Tempest\Discovery\DiscoveryDiscovery;
 use Tempest\Discovery\DiscoveryLocation;
 use Tempest\Discovery\InitializerDiscovery;
 use Tempest\Kernel;
 
+/**
+ * @internal
+ * @small
+ */
 class KernelTest extends TestCase
 {
     public function test_discovery_boot(): void
     {
-        $coreConfig = new CoreConfig(
+        $appConfig = new AppConfig(
             root: __DIR__ . '/../../',
             discoveryLocations: [
                 new DiscoveryLocation('App\\', __DIR__ . '/../../app'),
             ],
         );
 
-        $kernel = new Kernel($coreConfig);
+        $kernel = new Kernel($appConfig);
 
         $container = $kernel->init();
 
         $this->assertInstanceOf(Container::class, $container);
 
-        $coreConfig = $container->get(CoreConfig::class);
+        $appConfig = $container->get(AppConfig::class);
 
-        $this->assertCount(2, $coreConfig->discoveryClasses);
-        $this->assertSame(DiscoveryDiscovery::class, $coreConfig->discoveryClasses[0]);
-        $this->assertSame(InitializerDiscovery::class, $coreConfig->discoveryClasses[1]);
+        $this->assertCount(2, $appConfig->discoveryClasses);
+        $this->assertSame(DiscoveryDiscovery::class, $appConfig->discoveryClasses[0]);
+        $this->assertSame(InitializerDiscovery::class, $appConfig->discoveryClasses[1]);
 
-        $this->assertCount(2, $coreConfig->discoveryLocations);
-        $this->assertSame('Tempest\\', $coreConfig->discoveryLocations[0]->namespace);
-        $this->assertSame('App\\', $coreConfig->discoveryLocations[1]->namespace);
+        $this->assertCount(2, $appConfig->discoveryLocations);
+        $this->assertSame('Tempest\\', $appConfig->discoveryLocations[0]->namespace);
+        $this->assertSame('App\\', $appConfig->discoveryLocations[1]->namespace);
 
         $test = $container->get(TestDependency::class);