Promote App in Secondary Region

1.1 Navigate to CloudFormation in the Secondary region (us-west-1).

1.2 Select the Warm-Secondary stack and click Update.

1.3 Chose Use current template and click Next to continue.

1.4 Update the IsPromote parameter to yes and click Next to continue.

1.5 Scroll to the bottom of the page, click the checkbox to acknowledge IAM role creation, and then click Update stack.