The best Go framework: no framework?
I couldn't disagree with this any harder. I'm a Java BE Engineer who joined a Go shop, so I have a direct comparison. Both are microservice environments for products of similar complexity. 
It is insane to me how much less productive Go is for your average microservice enterprise environment. I'm sure it's great for systems programming or tool development. I like the simplicity. But the ecosystem is borderline useless for larger scale enterprise-y service landscapes. GRPC and Protobuf are overengineered and underdocumented, a lot of things are seemingly optimized for Google's specific needs.We are more people, we are more experienced and have a decent engineering culture. Yet we're definitely less productive than the last average, traditional Java Spring Enterprise team I've been in. "Circumventing" a framework restriction (which rarely happens if you stick to good practices) is MUCH less effort than building things yourself from scratch.