How to migrate database of a single module in erpnext

Frappe Framework
1

Let say , I have created some of the new doctypes and added some the fields in the existing doctypes in single module and now I want to migrate database as well as the frontend . Does anyone help me to solve this issue.

2

Ensure the following:

  1. The new DocTypes should be in an app.
  2. The custom fields that you have created must be exported as fixtures.