The first time I went to set up kubernetes the documentation explained what each of my three machines would do. It's different now but I still find the syntax n

The first time I went to set up kubernetes the documentation explained what each of my three machines would do. It's different now but I still find the syntax needlessly verbose. So now instead, I have a rediculously long docker compose yml file. What are some of the common infrastructure concerns it handles for you out of the box?