Merge pull request 'fix: Enhance Alembic configuration by setting script location and database URL validation in migration process' (#24) from ph4 into prod

Reviewed-on: #24

be/app/main.py

@@ -220,10 +220,17 @@ async def run_migrations():
         logger.info("Running database migrations...")
         # Get the path to the alembic.ini file
         alembic_ini_path = os.path.join(os.path.dirname(__file__), '..', 'alembic.ini')
-        
-        # Create Alembic configuration
         alembic_cfg = Config(alembic_ini_path)
         
+        # Set the script_location to the absolute path
+        script_location = os.path.join(os.path.dirname(__file__), '..', 'alembic')
+        alembic_cfg.set_main_option('script_location', script_location)
+        
+        # Set the sqlalchemy.url
+        if not settings.DATABASE_URL:
+            raise ValueError("DATABASE_URL is not configured in settings.")
+        alembic_cfg.set_main_option('sqlalchemy.url', settings.DATABASE_URL)
+        
         # Run the migration
         command.upgrade(alembic_cfg, "head")