That's why Starlark exists. You need something between JSON/YAML and Python/JavaScript. A config language makes the possibility space small. It also makes it

That's why Starlark exists. You need something between JSON/YAML and Python/JavaScript. A config language makes the possibility space small. It also makes it deterministic for CI and repeatable builds. It also makes it parallelizable and cacheable. Don't use your language for config. People will abuse it. Use a config language like Starlark or RCL.