Tutorial
https://golangbot.com/learn-golang-series/
golang by example
https://gobyexample.com/
https://gowebexamples.com/
https://shijuvar.medium.com/go-microservices-with-go-kit-introduction-43a757398183
https://eltonminetto.dev/en/post/2021-02-06-microservices-gokit/
Nice ppt https://peter.bourgon.org/applied-go-kit/#1
https://sagikazarmark.hu/blog/getting-started-with-go-kit/