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docs/modules/ROOT/pages/explanations/data-usage.adoc

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+= Data Usage
+
+This page gives a brief overview how buckets data usage is saved to the postgres billing database.
+
+== Data flow
+
+image::application-logic.drawio.svg[]
+
+== Data source
+- Buckets are fetched from Exoscale Provider and K8s Cluster.
+- The bucket names in Exoscale are unique across organisation which prevents clusters having same bucket names.
+
+== Data saving
+
+- The data is saved in a postgres database.
+- A database must be provided in the postgres URL.
+- The application ensures the initial configuration of specified database in the URL.