chore: medusa shutdown (#6865)

* chore: medusa shutdown

* continue

* use shutdown

* on application shutdown

* consume shutdown

* more connection close

* more cleanup

* more cleanup

* update lock

* revert package

* graceful shutdown

* Create yellow-apples-attack.md

* graceful shutdown

* graceful shutdown

---------

Co-authored-by: Sebastian Rindom <skrindom@gmail.com>
Co-authored-by: Riqwan Thamir <rmthamir@gmail.com>

packages/modules-sdk/src/loaders/utils/load-internal.ts

@@ -20,7 +20,9 @@ export async function loadInternalModule(
   migrationOnly?: boolean,
   loaderOnly?: boolean
 ): Promise<{ error?: Error } | void> {
-  const registrationName = resolution.definition.registrationName
+  const registrationName = !loaderOnly
+    ? resolution.definition.registrationName
+    : resolution.definition.registrationName + "__loaderOnly"
 
   const { resources } =
     resolution.moduleDeclaration as InternalModuleDeclaration
@@ -122,11 +124,8 @@ export async function loadInternalModule(
     }
   }
 
-  if (loaderOnly) {
-    return
-  }
-
   const moduleService = loadedModule.service
+
   container.register({
     [registrationName]: asFunction((cradle) => {
       ;(moduleService as any).__type = MedusaModuleType
@@ -137,6 +136,12 @@ export async function loadInternalModule(
       )
     }).singleton(),
   })
+
+  if (loaderOnly) {
+    // The expectation is only to run the loader as standalone, so we do not need to register the service and we need to cleanup all services
+    const service = container.resolve(registrationName)
+    await service.__hooks?.onApplicationShutdown()
+  }
 }
 
 export async function loadModuleMigrations(