One at once

buildqueue/worker.go

@@ -146,6 +146,19 @@ func processQueue(ctx context.Context) {
 		case <-ctx.Done():
 			return
 		default:
+			q := GetQueue()
+			buildingFound := false
+			q.ForEach(func(k string, item domain.BuildQueueItem) bool {
+				if item.Status == domain.Building {
+					buildingFound = true
+					return false
+				}
+				return true
+			})
+			if buildingFound {
+				time.Sleep(30 * time.Second)
+				continue
+			}
 			err := ProcessNext()
 			if err != nil {
 				slog.Error("unable to process queue: " + err.Error())