zalasur, (edited ) 
My experience with docker is pretty limited, but it feels fairly similar to my experience with the rust programming language.
Rust is a new-ish language that's similar in concept to other languages like C. The best way to learn rust is to
- Have a pretty thorough understanding of rust
Really. Because if you're struggling with one of the core concepts and have to ask for help, the community does not patience for newbies.
Docker has sort of that same vibe.