Datasets at coco Annotator are gone

[Bai426]

Hi, all, I created some datasets in coco annotator with labels, but there are all gone. Why? How can I recover them? Please let me know, Thanks!

[geminixiang]

check out coco-annotator_mongodb_data volume is exist? if not... sorry, data is gone

backup mongodb guide

docker ps
docker exec -it MONGODB_CONTAINER_ID sh
mongodump
exit

docker cp CONTAINER_ID:/dump ./BACKUP_FOLDER