We have added support for Node 23.1.0 to Johnny, Tommy, and Morty.
Keep in mind that Node.js uses massive amounts of memory so if you decide to test it out make sure you keep an eye on your load graph at https://heliohost.org/dashboard/load/ All users on Johnny and Tommy are limited to 100 GB memory per day, and if you go over the limit your account will be suspended. On Morty if you go over 100 GB you will have to pay more for your excess load.
As always with Node.js websites we strongly recommend following our guides located on our wiki https://wiki.helionet.org/tutorials/node.js because they use Passenger. If you follow Node.js guides from other sites they will likely use more memory over all.