added keep alive args

utils.py

@@ -59,10 +59,16 @@ class DbEngine:
 
   def connect(self):
     dbCreds = self.dbCreds
+    keepaliveKwargs = {
+    "keepalives": 1,
+    "keepalives_idle": 100,
+    "keepalives_interval": 5,
+    "keepalives_count": 5,
+    }
     if self._connection is None or self._connection.closed != 0:
       self._connection = psycopg2.connect(database=dbCreds.database, user = dbCreds.user,
                   password = dbCreds.password, host = dbCreds.host,
-                  port = dbCreds.port)
+                  port = dbCreds.port, **keepaliveKwargs)
       
   def getConnection(self):
     if self._connection is None or self._connection.closed != 0: