Storage

Pods are ephemeral. When a Pod is deleted or rescheduled to a different node, all data written inside it is gone. This is fine for stateless apps. But databases, file uploads, and cache data need to survive Pod restarts. That is what Persistent Volumes are for. The Problem with Pod Storage By default, a container’s filesystem lives only as long as the container lives. When the container stops, the data disappears. ...

In the previous tutorial, we used SQLDelight for structured data — tables with rows and columns. But not everything belongs in a database. Simple settings like “dark mode on/off”, “last selected tab”, or “auth token” need something lighter. That is what DataStore does. It is Google’s replacement for SharedPreferences, and it works on Android, iOS, and Desktop through KMP. What is DataStore? DataStore is a key-value storage library. Think of it like a dictionary: ...