Done setup template

backend/core/settings/db_providers.py

@@ -0,0 +1,28 @@
+from abc import ABC, abstractmethod
+from pathlib import Path
+from pydantic import BaseModel
+
+class AbstractDBProvider(ABC):
+  @property
+  @abstractmethod
+  def db_url(self) -> str: ...
+
+  @property
+  @abstractmethod
+  def db_url_public(self) -> str: ...
+
+class SQLiteProvider(AbstractDBProvider, BaseModel):
+  data_dir: Path
+  prefix: str = ""
+
+  @property
+  def db_path(self):
+    return self.data_dir / f"{self.prefix}fuware.db"
+
+  @property
+  def db_url(self) -> str:
+    return f"sqlite:///{str(self.db_path.absolute())}"
+
+  @property
+  def db_url_public(self) -> str:
+    return self.db_url