Is learning Spring and Spring Boot for web apps back-end development is still relevant in 2021? Feel free to share your views with comparison to Django/Node.js/ ExpressJS or other frameworks.
Please share some good beginner resources to start learning about spring/spring boot framework to build the web apps.
Java in general, in my opinion, is somewhat outdated in 2021. C# is a better language, and therefore, I think ASP.NET (Core/.NET 5) should be used over it. Node.js isn't bad if you are getting started, or if you need to prototype an app. I use Node in production because of TypeScript, but .NET is a really good framework that has excellent performance.