1) We didn't know that Mono was the wrong tool for that job before doing the experiment.
2) The install size is very large compared to almost anything you can actually install with a Debian Jessie main packages.
3) The performance is way slower compared to Node.js.
4) The memory footprint is a least twice the memory footprint of Node.js.
Given the results, I doubt that Mono is the right tool for any new projects. It could maybe allow to run historical C# code on Linux that rely on some