Building VM images for glance is essential for a secure and reliable cloud platform based on OpenStack. Public cloud operators face extra challenges, since users demand for up-to-date, secured, and maintained images. Unfortunately, no convenient framework exists to flexibly build a wide variety OS images for OpenStack based clouds. The aim of our agile transformed Images squad (previously called the Image Factory) is to transparently develop, build & support hardened and patched OpenStack glance machine images (Linux/Windows) to be used for instances and bare-metal servers on the Open Telekom Cloud (OTC) public and hybrid clouds. The images are also certified with the respective vendors wherever necessary.