chart code with DB

main.py

@@ -10,12 +10,8 @@ import logging
 
 app = FastAPI()
 
-# Use an absolute path for the SQLite database file
-database_path = os.path.join(os.getcwd(), "test.db")
-SQLALCHEMY_DATABASE_URL = f"sqlite:///{database_path}"
-
-# Set up logging for debugging
-logging.basicConfig(level=logging.DEBUG)
+# Use SQLite in-memory database
+SQLALCHEMY_DATABASE_URL = "sqlite:///:memory:"
 
 engine = create_engine(SQLALCHEMY_DATABASE_URL)
 SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)