Update database.py

database.py

@@ -4,15 +4,14 @@ from sqlalchemy.orm import sessionmaker, relationship
 from datetime import datetime
 import uuid
 import os
-from pathlib import Path
-from dotenv import load_dotenv
-
-# Load environment variables
-env_path = Path(__file__).parent / '.env'
-load_dotenv(dotenv_path=env_path)
 
+# For HF Spaces: Use environment variable directly (set via Secrets)
+# For local dev: Can still use .env file
 DATABASE_URL = os.getenv("DATABASE_URL")
 
+if not DATABASE_URL:
+    raise ValueError("DATABASE_URL environment variable is not set!")
+
 # Create engine
 engine = create_engine(DATABASE_URL, pool_pre_ping=True)
 SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)