Rails has a lot of documentation. Finding a solution on Google is easy, and if one pays enough attention to the version number, correct.
The process of finding the documentation along with implementing it was easy.
I am using asdf as the virtual environment tool. There was some strangeness connected with using it, but glitchy tools after a MacOS update are commmon.
It took 10 minutes to add authentication using https://github.com/lazaronixon/authentication-zero
This is especially impressive.
The Ruby community has been nice for a long time.