Wire HealthCheckService in container

ratings/html/src/Kernel.php

@@ -8,6 +8,7 @@ use Instana\RobotShop\Ratings\Controller\HealthController;
 use Instana\RobotShop\Ratings\Controller\RatingsApiController;
 use Instana\RobotShop\Ratings\Integration\InstanaHeadersLoggingProcessor;
 use Instana\RobotShop\Ratings\Service\CatalogueService;
+use Instana\RobotShop\Ratings\Service\HealthCheckService;
 use Instana\RobotShop\Ratings\Service\RatingsService;
 use Monolog\Formatter\LineFormatter;
 use Symfony\Bundle\FrameworkBundle\FrameworkBundle;
@@ -96,6 +97,11 @@ class Kernel extends BaseKernel implements EventSubscriberInterface
             ->addMethodCall('setLogger', [new Reference('logger')])
             ->setAutowired(true);
 
+        $c->register(HealthCheckService::class)
+            ->addArgument(new Reference('database.connection'))
+            ->addMethodCall('setLogger', [new Reference('logger')])
+            ->setAutowired(true);
+
         $c->register('database.connection', \PDO::class)
             ->setFactory([new Reference(Database::class), 'getConnection']);
 

ratings/html/src/Service/HealthCheckService.php

@@ -5,9 +5,13 @@ declare(strict_types=1);
 namespace Instana\RobotShop\Ratings\Service;
 
 use PDO;
+use Psr\Log\LoggerAwareInterface;
+use Psr\Log\LoggerAwareTrait;
 
-class HealthCheckService
+class HealthCheckService implements LoggerAwareInterface
 {
+    use LoggerAwareTrait;
+
     /**
      * @var PDO
      */
@@ -18,7 +22,7 @@ class HealthCheckService
         $this->pdo = $pdo;
     }
 
-    public function checkConnectivity()
+    public function checkConnectivity(): bool
     {
         return $this->pdo->prepare('SELECT 1 + 1 FROM DUAL;')->execute();
     }