Maybe you'd like jsonnet: https://jsonnet.org/ https://jsonnet.org/ I find it particularly useful for configurations that often have repeated boilerplate, like

Maybe you'd like jsonnet: https://jsonnet.org/ https://jsonnet.org/ I find it particularly useful for configurations that often have repeated boilerplate, like ansible playbooks or deploying a bunch of "similar-but" services to kubernetes (with https://tanka.dev https://tanka.dev). Dhall is also quite interesting, with some tradeoffs: https://dhall-lang.org/ https://dhall-lang.org/ A few years ago I did a small comparison by re-implementing one of my simpler ansible playbooks: https://github.com/retzkek/ansible-dhall-jsonnet https://github.com/retzkek/ansible-dhall-jsonnet