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This is avoidable by continuing to use Ruby. Just continue to use it and contribute to the community, it's that easy. Ruby still has big businesses using it - Github, Airbnb, Shopify. There is no reason to believe it'll go the way of cold fusion. The language ecosystem is much different than 20 years ago. There are so many languages all thriving. Even Perl is relatively healthy and is a fine choice for doing many thi…
IMO Ruby is already being left behind. HTTP/2 is a good example. Rails doesn't support it, and I can't find anything recent saying support will be added soon. Java is notorious for slow innovation yet language level support for HTTP/2 as added years ago and enabled for basically every popular framework. Same with Python, C#, Go, JS. HTTP/2 is essential if you want good SEO which makes Rails a non-starter for many pro…
And sooner rather than later you are going to need a load balancer anyway.