Graceful job queue shutdown

server.ts

@@ -195,4 +195,10 @@ async function startApplication () {
     logger.info('Server listening on %s:%d', hostname, port)
     logger.info('Web server: %s', CONFIG.WEBSERVER.URL)
   })
+
+  process.on('exit', () => {
+    JobQueue.Instance.terminate()
+  })
+
+  process.on('SIGINT', () => process.exit(0))
 }

server/lib/job-queue/job-queue.ts

@@ -83,6 +83,13 @@ class JobQueue {
     }
   }
 
+  terminate () {
+    for (const queueName of Object.keys(this.queues)) {
+      const queue = this.queues[queueName]
+      queue.close()
+    }
+  }
+
   createJob (obj: CreateJobArgument) {
     const queue = this.queues[obj.type]
     if (queue === undefined) {