Migrate location recorder and refine db config

app/db.py

@@ -13,10 +13,10 @@ class Base(DeclarativeBase):
 settings = get_settings()
 
 connect_args: dict[str, object] = {}
-if settings.database_url.startswith("sqlite"):
+if settings.location_database_url.startswith("sqlite"):
     connect_args["check_same_thread"] = False
 
-engine = create_engine(settings.database_url, connect_args=connect_args)
+engine = create_engine(settings.location_database_url, connect_args=connect_args)
 SessionLocal = sessionmaker(bind=engine, autoflush=False, autocommit=False, class_=Session)
 
 
@@ -26,4 +26,3 @@ def get_db_session() -> Generator[Session, None, None]:
         yield session
     finally:
         session.close()
-