diff --git a/app.py b/app.py
index 8e2d9d6..e31f41c 100644
--- a/app.py
+++ b/app.py
@@ -14,13 +14,13 @@ load_dotenv()
 
 app = Flask(__name__)
 
-# Database configuration
-DB_HOST_1 = "192.168.1.85"  # For tables: pf_parts, ms_equipment_master
-DB_HOST_2 = "192.168.1.86"  # For table: dl_pi_fetch_last
-DB_PORT = "5432"
-DB_USER = "postgres"
-DB_PASS = "postgres"
-DB_NAME = "digital_twin"
+# Database configuration from environment variables
+DB_HOST_1 = os.getenv("DB_HOST_1")  # For tables: pf_parts, ms_equipment_master
+DB_HOST_2 = os.getenv("DB_HOST_2")  # For table: dl_pi_fetch_last
+DB_PORT = os.getenv("DB_PORT")
+DB_USER = os.getenv("DB_USER")
+DB_PASS = os.getenv("DB_PASS")
+DB_NAME = os.getenv("DB_NAME")
 
 def chunked_iterable(iterable, size):
     """Helper to split list into chunks"""