Comment by dcchambers

> jsonnet seemed like a great idea to me, but I've experienced extremely low performance.

Although each implementation of jsonnet has some quirks, take a look at sjsonnet^1 (scala-based) or go-jsonnet^2 for improved performance. We generally prefer go-jsonnet.

There's also a Rust version^3 that claims to be the fastest yet^4, but I haven't experimented with it at all.

[1]: https://github.com/databricks/sjsonnet

[2]: https://github.com/google/go-jsonnet/

[3]: https://github.com/CertainLach/jrsonnet

[4]: https://gist.github.com/CertainLach/5770d7ad4836066f8e0bd91e...