Docker folder increased 75GB in 2 days

Hey guys,
complete noob here, please be patiente.
I installed docker and a container with deepstack. everything is working fine on a VM with ubuntu server, on a drive with 100GB. In 2 days drive is full. I can track the space 95gb to folder /var/snap/docker/common.
Something is worng :frowning:
I also have portainer to check the containers. Any idea how dettect what the problem is?
Thanks in advance
Bruce