Surely you must be joking, Jupyter notebooks with Ruby [video]

List of Jupyter Kernels: https://github.com/jupyter/jupyter/wiki/Jupyter-kernels

IRuby: https://github.com/SciRuby/iruby

conda-forge/ruby-feedstock: https://github.com/conda-forge/ruby-feedstock

It looks like ruby-feedstock installs `gem`; but AFAIU there's not yet a way to specify gems in an environment.yml like `pip:` packages.

There aren't many other conda-forge feedstocks for Ruby, though;

/? Ruby https://github.com/orgs/conda-forge/repositories?q=Ruby

This is pretty cool