copytocontainer not updating the file until a restart?

[frekvent-szabolcs]

I am on Linux (Mint 21.1, Docker version 24.0.2). The newest docker-magento version and magento 2.4.6.

It seems like if I run bin/copytocontainer --all to move a composer.json change for example inside the container. The container itself will not update until I run a bin/restart.
I made a change, ran copytocontainer, ran bin/cli cat /var/www/html/composer.json and the previous version was printed. After a restart, it got updated.

What can I do to improve this? The source file copying from src works automatically. If I change a phtml template for example, the container updates it right away (and I do not need to run copytocontainer).