[App Settings] app settings using pydantic #fastapi

appsettings.py

class AppSettings(BaseSettings):
    project_name: Optional[str]
    debug: bool = False
    include_admin_routes: bool = False

    # Server
    server_name: Optional[str]
    server_host: Optional[str]
    sentry_dsn: Optional[str]
    backend_cors_origins_str: str = ""  # Should be a comma-separated list of origins
    secret_key: bytes = os.urandom(32)

    # URLs
    api_v1_str: str = "/api/v1"
    openapi_url: str = "/api/v1/openapi.json"

    # Database
    postgres_server: Optional[str]
    postgres_user: Optional[str]
    postgres_password: Optional[str]
    postgres_db: Optional[str]

    ...

    class Config:
        env_prefix = ""  # defaults to 'APP_'
settings = AppSettings()