If your current setup starts to feel insufficiently robust, then there are several options to consider before AWS, namely things like Heroku, Render, and Fly.io

If your current setup starts to feel insufficiently robust, then there are several options to consider before AWS, namely things like Heroku, Render, and Fly.io. You'll hear critical reviews about all of these, so do your research first. Personally, I have used Heroku in production at more than one place, and plan on using it again.