1. A method to scale an application deployed in a computing environment, the method comprising: displaying a user-selectable control in a user interface, the user-selectable control to specify whether the application is to be scaled in accordance with a scaling policy; based on selection of the user-selectable control storing, in a blueprint of the application, an indication of whether the application is to be scaled in accordance with the scaling policy; based on the indication in the blueprint, preparing a virtual machine pool in the computing environment, the virtual machine pool including a Virtual machine provisioned for use in a scaling operation; in response to a request to scale the application deployed in a deployment environment, determining whether configuration information of the virtual machine pool satisfies a scaling requirement included in the request; and based on the determination, performing the scaling operation in accordance with the request to scale by transferring the virtual machine to deployment environment.