Try to found paths
docker inspect storjlabsSnContainer -f '{{.Mounts}}'
Use the same paths for /app/config instead of <storage-dir> and for /app/identity instead of <identity-dir> mapping in the setup command
docker run --rm -e SETUP="true" \
--mount type=bind,source="<identity-dir>",destination=/app/identity \
--mount type=bind,source="<storage-dir>",destination=/app/config \
--name storagenode storjlabs/storagenode:latest