In this blog, we are going to learn on how to create a Crossplane Composition function which will compose the Crossplane resources using ytt templates. What is Crossplane? ¶Crossplane is an open-source Kubernetes extension that empowers organizations to manage cloud infrastructure across any cloud through standard Kubernetes APIs. It allows platform teams to declaratively define and manage the cloud infrastructure, like databases, storage volumes, virtual machines, etc., through Kubernetes APIs.