YAML isn’t the DSL, it’s just the language used to express declarative config because the tooling is ubiquitous and it’s rare that anyone uses it as anything mo

YAML isn’t the DSL, it’s just the language used to express declarative config because the tooling is ubiquitous and it’s rare that anyone uses it as anything more than a nicer version of JSON. For Kubernetes, it’s CRDs that are written in YAML and they conform to a specification.