Rails will always be a core pillar, but Ruby is a general purpose language with plenty of other applications. I would encourage you to look at some of the projects in https://awesome-ruby.com/ before declaring it "dead for everything but Rails.". Source: over 1 year ago

There are a lot of Ruby gems for sure. Checkout https://awesome-ruby.com/ which has suggested gems for several categories including an Excel one such as Roo or Spreadsheet Architect. Also can keyword searches a bit with the official gem repository at https://Rubygems.org. Source: about 3 years ago

Pantheon.io — Drupal and WordPress hosting, automated DevOps, and scalable infrastructure. Free for developers and agencies. No custom domain. - Source: dev.to / 4 months ago

Creating an account at pantheon.io (its free) and setting up a base install of a drupal 10 site there, learning how you can use their git repo to work with your code base, and hosting the site there. (sandbox environments are free). Source: 12 months ago

I run a majority of my client work on pantheon.io - you can read a case study of a high traffic site I launched there, 9 years ago, that handled a homepage link from nytimes.com with zero problems https://pantheon.io/blog/tavern-green-gets-details-right-pro-website-alphex-pantheon. Source: about 1 year ago

Regardless of which way you go,yYou can give it all a try for free by creating an account on Pantheon, which will let you spin up a free Drupal sandbox site, as well as a free WordPress sandbox site. Source: over 1 year ago

I had to do this for a job a few years ago. I created a sandbox version of the site on pantheon.io and removed all editing permissions. On additional discovery that they only needed the static content, I created a static site using SiteSucker (mac app store). They were able to put this folder on their local machine to access anytime. Source: over 1 year ago