diff --git a/schedule_13dg_indexing_functions.py b/schedule_13dg_indexing_functions.py
index 0bbd284..1780413 100644
--- a/schedule_13dg_indexing_functions.py
+++ b/schedule_13dg_indexing_functions.py
@@ -9,6 +9,14 @@
 import datetime as dt
 
 
+dbname = os.getenv("PGDATABASE")
+
+host = os.getenv("PGHOST", "localhost")
+
+conn_string = "postgresql://" + host + "/" + dbname
+
+
+
 
 def get_index_url(file_name):