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/event-bus-redis/src/services/event-bus-redis.ts

@@ -20,8 +20,10 @@ export default class RedisEventBusService extends AbstractEventBusModuleService
   protected readonly moduleOptions_: EventBusRedisModuleOptions
   // eslint-disable-next-line max-len
   protected readonly moduleDeclaration_: InternalModuleDeclaration
+  protected readonly eventBusRedisConnection_: Redis
 
   protected queue_: Queue
+  protected bullWorker_: Worker
 
   constructor(
     { logger, eventBusRedisConnection }: InjectedDependencies,
@@ -32,6 +34,8 @@ export default class RedisEventBusService extends AbstractEventBusModuleService
     // eslint-disable-next-line prefer-rest-params
     super(...arguments)
 
+    this.eventBusRedisConnection_ = eventBusRedisConnection
+
     this.moduleOptions_ = moduleOptions
     this.logger_ = logger
 
@@ -44,14 +48,26 @@ export default class RedisEventBusService extends AbstractEventBusModuleService
     // Register our worker to handle emit calls
     const shouldStartWorker = moduleDeclaration.worker_mode !== "server"
     if (shouldStartWorker) {
-      new Worker(moduleOptions.queueName ?? "events-queue", this.worker_, {
-        prefix: `${this.constructor.name}`,
-        ...(moduleOptions.workerOptions ?? {}),
-        connection: eventBusRedisConnection,
-      })
+      this.bullWorker_ = new Worker(
+        moduleOptions.queueName ?? "events-queue",
+        this.worker_,
+        {
+          prefix: `${this.constructor.name}`,
+          ...(moduleOptions.workerOptions ?? {}),
+          connection: eventBusRedisConnection,
+        }
+      )
     }
   }
 
+  __hooks = {
+    onApplicationShutdown: async () => {
+      await this.bullWorker_.close(true)
+      await this.queue_.close()
+      this.eventBusRedisConnection_.disconnect()
+    },
+  }
+
   /**
    * Emit a single event
    * @param {string} eventName - the name of the event to be process.