1. A method comprising: provisioning, by one or more computer processors, an instance, wherein the instance includes one or more local disks, and wherein the instance resides in a secured environment; booting, by the one or more computer processors, the instance from a boot image such that an operating system exists in a main memory of the instance; copying, by the one or more computer processors, an image file to the one or more local disks of the instance, wherein copying the image file overwrites the one or more local disks; and rebooting, by the one or more computer processors, the instance.