Update app.py

app.py

@@ -28,17 +28,16 @@ from simple_salesforce import Salesforce, SalesforceAuthenticationFailed
 SF_USERNAME = os.getenv("SF_USERNAME")
 SF_PASSWORD = os.getenv("SF_PASSWORD")
 SF_SECURITY_TOKEN = os.getenv("SF_SECURITY_TOKEN")
-SF_DOMAIN = os.getenv("SF_DOMAIN") or "login"  # default to 'login' for production
 
-print(f"Salesforce login info: username={SF_USERNAME}, domain={SF_DOMAIN}")
+print(f"Salesforce login info: username={SF_USERNAME}")
 
 # Salesforce connection with error handling
 try:
+    # Default domain is "login" (production); use domain="test" for sandbox/Developer Edition orgs
     sf = Salesforce(
         username=SF_USERNAME,
         password=SF_PASSWORD,
-        security_token=SF_SECURITY_TOKEN,
-        domain=SF_DOMAIN
+        security_token=SF_SECURITY_TOKEN
     )
     print("Salesforce login successful.")
 except SalesforceAuthenticationFailed as e: