Note This guide focuses on customizing Kairos images. For a complete guide on creating custom cloud images from scratch, including when and how to apply these customizations, see Creating Custom Cloud Images. Kairos is an open source, container-based operating system. To modify Kairos and add a package, you’ll need to build a container image from the Kairos images. Here’s an example with Docker which adds figlet: FROM quay.io/kairos/@flavor:@flavorRelease-standard-amd64-generic-master-k3s...