Tachidesk uses Preferences to store certain things like source settings and cookies. Adding a shortcut to /home/suwayomi/.java/.userPrefs in the container will allow them to be saved when the container is shut-down, without an extra volume configuration.
I'm going to explore this a little more, but according to the Oracle JDK docs, we can override that path with a custom one by defining java.util.prefs.userRoot.
Tachidesk uses Preferences to store certain things like source settings and cookies. Adding a shortcut to
/home/suwayomi/.java/.userPrefs
in the container will allow them to be saved when the container is shut-down, without an extra volume configuration.