diff --git a/src/Compiler/CompileApp.php b/src/Compiler/CompileApp.php
new file mode 100644
index 00000000..59531ae2
--- /dev/null
+++ b/src/Compiler/CompileApp.php
@@ -0,0 +1,123 @@
+<?php
+
+declare(strict_types=1);
+
+namespace BEAR\Package\Compiler;
+
+use BEAR\AppMeta\AbstractAppMeta;
+use BEAR\AppMeta\Meta;
+use BEAR\Package\Injector\PackageInjector;
+use BEAR\Resource\Exception\ParameterException;
+use BEAR\Resource\NamedParameterInterface;
+use BEAR\Sunday\Extension\Application\AppInterface;
+use Doctrine\Common\Annotations\Reader;
+use Ray\Compiler\CompileInjector;
+use Ray\PsrCacheModule\LocalCacheProvider;
+use ReflectionClass;
+
+use function assert;
+use function in_array;
+use function is_callable;
+use function microtime;
+use function sprintf;
+use function str_starts_with;
+
+final class CompileApp
+{
+    /** @var array{class: int, method: int, time: float} */
+    private array $logs = [
+        'class' => 0,
+        'method' => 0,
+        'time' => 0
+    ];
+
+    /**
+     * Compile application
+     *
+     * DI+AOP script file
+     * Parameter meta information
+     * (No annotation cached)
+     *
+     * @param list<string> $extraContexts
+     *
+     * @return array{class: int, method: int, time: float}
+     */
+    public function compile(CompileInjector $injector, array $extraContexts = []): array
+    {
+        $start = microtime(true);
+        $reader = $injector->getInstance(Reader::class);
+        assert($reader instanceof Reader);
+        $namedParams = $injector->getInstance(NamedParameterInterface::class);
+        assert($namedParams instanceof NamedParameterInterface);
+        // create DI factory class and AOP compiled class for all resources and save $app cache.
+        $app = $injector->getInstance(AppInterface::class);
+        assert($app instanceof AppInterface);
+        $meta = $injector->getInstance(AbstractAppMeta::class);
+        // check resource injection and create annotation cache
+        $resources = $meta->getResourceListGenerator();
+        foreach ($resources as $resourc) {
+            $this->logs['class']++;
+            [$className] = $resourc;
+            $this->saveMeta($namedParams, new ReflectionClass($className));
+        }
+
+        $this->compileExtraContexts($extraContexts, $meta);
+        $this->logs['time'] = (float) sprintf('%.3f', microtime(true) - $start);
+
+        return $this->logs;
+    }
+
+    /**
+     * Save annotation and method meta information
+     *
+     * @param ReflectionClass<object> $class
+     */
+    private function saveMeta(NamedParameterInterface $namedParams, ReflectionClass $class): void
+    {
+        $instance = $class->newInstanceWithoutConstructor();
+
+        $methods = $class->getMethods();
+        $log = sprintf('%s: ', $class->getName());
+        foreach ($methods as $method) {
+            $methodName = $method->getName();
+
+            if (! str_starts_with($methodName, 'on')) {
+                continue;
+            }
+
+            $this->logs['method']++;
+
+            $log .= sprintf(' %s()', $methodName);
+            $this->saveNamedParam($namedParams, $instance, $methodName);
+        }
+    }
+
+    private function saveNamedParam(NamedParameterInterface $namedParameter, object $instance, string $method): void
+    {
+        // named parameter
+        if (! in_array($method, ['onGet', 'onPost', 'onPut', 'onPatch', 'onDelete', 'onHead'], true)) {
+            return;  // @codeCoverageIgnore
+        }
+
+        $callable = [$instance, $method];
+        if (! is_callable($callable)) {
+            return;  // @codeCoverageIgnore
+        }
+
+        try {
+            $namedParameter->getParameters($callable, []);
+        } catch (ParameterException) {
+            return;
+        }
+    }
+
+    /** @param list<string> $extraContexts */
+    public function compileExtraContexts(array $extraContexts, AbstractAppMeta $meta): void
+    {
+        $cache = (new LocalCacheProvider())->get();
+        foreach ($extraContexts as $context) {
+            $contextualMeta = new Meta($meta->name, $context, $meta->appDir);
+            PackageInjector::getInstance($contextualMeta, $context, $cache)->getInstance(AppInterface::class);
+        }
+    }
+}
diff --git a/tests/CompileAppTest.php b/tests/CompileAppTest.php
new file mode 100644
index 00000000..139e10f7
--- /dev/null
+++ b/tests/CompileAppTest.php
@@ -0,0 +1,22 @@
+<?php
+
+declare(strict_types=1);
+
+namespace BEAR\Package;
+
+use BEAR\Package\Compiler\CompileApp;
+use PHPUnit\Framework\TestCase;
+use Ray\Compiler\CompileInjector;
+
+use function assert;
+
+class CompileAppTest extends TestCase
+{
+    public function testCompile(): void
+    {
+        $injector = Injector::getInstance('FakeVendor\MinApp', 'prod-app', __DIR__ . '/Fake/fake-min-app');
+        assert($injector instanceof CompileInjector);
+        $logs = (new CompileApp())->compile($injector, ['prod-api-app']);
+        $this->assertSame(1, $logs['method']);
+    }
+}