Comment by azuanrb

On Rails homepage, it says from “Hello World” to IPO. The idea is that Rails should help you maintain a lean stack by default. You can stick with Postgres for pretty much everything: caching, background jobs, search, WebSockets, you name it.

But, as your app grows, you can swap things out. Redis or Elasticsearch are solid choices if you need them. DHH mentioned that as well, at scale, everyone does things differently anyway. But you do have the option to keep it simple, by default.

For me personally, Rails 8 is great. My new project only need Postgres and that's it. I don't need Redis, multiple gems for background jobs or cache anymore. Able to avoid the chaotic JS ecosystem for frontend. Hopefully it will be easy to setup Hotwire Native too. It really streamlined things, and letting me focus on building features instead.

That said, for my production apps in existing companies, I’m sticking with what’s already working: Sidekiq, Redis, Elasticsearch. If it ain’t broke, why fix it? Will probably revisit this decision again in the future. Too early to tell for now.