The excellent Jsonnet training course [1] by u/Duologic somewhat fills this niche by having you play around with k8s resources and using external packages. [1]

The excellent Jsonnet training course [1] by u/Duologic somewhat fills this niche by having you play around with k8s resources and using external packages. [1]: https://jsonnet-libs.github.io/jsonnet-training-course/ https://jsonnet-libs.github.io/jsonnet-training-course/