diff --git a/README.md b/README.md
index bb592ae75c..0a556f57b4 100644
--- a/README.md
+++ b/README.md
@@ -39,6 +39,10 @@ ERPNext is built on the [Frappe Framework](https://github.com/frappe/frappe), a
 
 ---
 
+### Containerized Installation
+
+Use docker to deploy ERPNext in production or for development of [Frappe](https://github.com/frappe/frappe) apps. See https://github.com/frappe/frappe_docker for more details.
+
 ### Full Install
 
 The Easy Way: our install script for bench will install all dependencies (e.g. MariaDB). See https://github.com/frappe/bench for more details.
diff --git a/erpnext/hr/doctype/holiday_list/holiday_list.py b/erpnext/hr/doctype/holiday_list/holiday_list.py
index 6df7bc88c0..67630a0abe 100644
--- a/erpnext/hr/doctype/holiday_list/holiday_list.py
+++ b/erpnext/hr/doctype/holiday_list/holiday_list.py
@@ -16,6 +16,7 @@ class HolidayList(Document):
 		self.validate_days()
 		self.total_holidays = len(self.holidays)
 
+	@frappe.whitelist()
 	def get_weekly_off_dates(self):
 		self.validate_values()
 		date_list = self.get_weekly_off_date_list(self.from_date, self.to_date)