Online

Good beginners guide:

https://www.rubyguides.com/ruby-tutorial/

Ruby best Practices:

https://www.benorenstein.com/blog/ruby-best-practices-a-review

Youtube Channels:

• GoRails - https://www.youtube.com/c/GorailsTV/videos
• Generating API only Rails App: https://www.youtube.com/watch?v=M9-em3FYMNU&list=PLjQo0sojbbxWXYhditpqZlN4oLJE4hLjP
• Rails foundation: https://www.youtube.com/watch?v=jB6UXLsInUA&list=PLjQo0sojbbxVz2zbpq3DY2pePUfq7coSe
• RubyThursday: https://www.youtube.com/c/RubyThursday/videos
• ChicagoRuby: https://www.youtube.com/user/ChicagoRuby/videos