Many modern programming languages like Rust and Go and Zig compile statically anyway, so don’t use any libraries. The whole “my distro supplies my libraries” model has been steadily losing relevance for years now. Flatpaks are just one more example of this.

If you want to use caddy as proxy for other containers running as quadlets have a look at this repo: https://github.com/eriksjolund/podman-caddy-socket-activation

It certainly demystified some network shenanigans for me.

It’s true, we should all love fossilesque.