Docker size in system info

[Algaweb]

Hello,

I run two apps Umami stats and Calibre web with around 2GB together in size. But the whole instance Ubuntu + Cloudron + these two apps have 35GB in size. When looking in the system info, just Docker image has almost 19GB. Did I mess up with the setting or is it normal for it to take up so much space? How can I reduce the docker image size?

[nebulon]

Maybe you have dangling images around, which are not deleted, can you see if docker image prune -a removes some?