Not necessarily a collection of beginner tutorials, but for what they're worth, these are some very high quality in-depth articles on pieces of the language:

- https://dave.cheney.net/practical-go

- https://www.ardanlabs.com/all-posts/

If you're looking for more high-level, "get-things-done" stuff, this has been a great resource for getting off the ground:

- https://github.com/astaxie/build-web-application-with-golang