just start writing some Golang. same as any other programming language for decades now. Really thats all you need to get started. OK: a text editor, the Golang

just start writing some Golang. same as any other programming language for decades now. Really thats all you need to get started. OK: a text editor, the Golang toolchain and ideally a terminal/shell. Worry about other things if/when they come up, right in your face. Assume by default: YAGNI.