Done setup template

backend/core/settings/__init__.py

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+from .settings import *

backend/core/settings/db_providers.py

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+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

backend/core/settings/settings.py

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+from pathlib import Path
+from backend.core.settings.db_providers import AbstractDBProvider, SQLiteProvider
+from pydantic_settings import BaseSettings # type: ignore
+
+
+def determine_secrets(production: bool) -> str:
+  if not production:
+    return "shh-secret-test-key"
+
+  return "1d00e664fb3b07aff5a191755ea72f9c4bc85a3f36868308d0b2c417aed3419e"
+
+def determine_cookie(production: bool) -> str:
+  if not production:
+    return "logcook"
+
+  return "7fo24CMyIc"
+
+class AppSettings(BaseSettings):
+  PRODUCTION: bool
+  TESTING: bool
+  BASE_URL: str = "http://localhost:8080"
+  """trailing slashes are trimmed (ex. `http://localhost:8080/` becomes ``http://localhost:8080`)"""
+
+  HOST_IP: str = "*"
+
+  API_HOST: str = "0.0.0.0"
+  API_PORT: int = 9000
+  API_DOCS: bool = True
+
+  ALLOW_SIGNUP: bool = False
+
+  SECRET: str
+  COOKIE_KEY: str
+  EXP_TOKEN: int = 30
+  """in minutes, default is 30 minutes"""
+  EXP_REFRESH: int = 7
+  """in days, default is 7 days"""
+
+  LOG_CONFIG_OVERRIDE: Path | None = None
+  """path to custom logging configuration file"""
+
+  LOG_LEVEL: str = "info"
+  """corresponds to standard Python log levels"""
+
+  @property
+  def DOCS_URL(self) -> str | None:
+    return "/docs" if self.API_DOCS else None
+
+  @property
+  def REDOC_URL(self) -> str | None:
+    return "/redoc" if self.API_DOCS else None
+
+  # ===============================================
+  # Database Configuration
+
+  DB_PROVIDER: AbstractDBProvider | None = None
+
+  @property
+  def DB_URL(self) -> str | None:
+    return self.DB_PROVIDER.db_url if self.DB_PROVIDER else None
+
+  @property
+  def DB_URL_PUBLIC(self) -> str | None:
+    return self.DB_PROVIDER.db_url_public if self.DB_PROVIDER else None
+
+def app_settings_constructor(data_dir: Path, production: bool, env_file: Path, env_encoding="utf-8") -> AppSettings:
+  """
+  app_settings_constructor is a factory function that returns an AppSettings object. It is used to inject the
+  required dependencies into the AppSettings object and nested child objects. AppSettings should not be substantiated
+  directly, but rather through this factory function.
+  """
+  app_settings = AppSettings(
+    _env_file=env_file,  # type: ignore
+    _env_file_encoding=env_encoding,  # type: ignore
+    **{"SECRET": determine_secrets(production), 'COOKIE_KEY': determine_cookie(production)},
+  )
+
+  app_settings.DB_PROVIDER = SQLiteProvider(data_dir=data_dir)
+
+  return app_settings