Go is the only other way I would try to do this type of thing. Nginx has the advantage that a lof of people already have it in their stack so adding some bits o

Go is the only other way I would try to do this type of thing. Nginx has the advantage that a lof of people already have it in their stack so adding some bits of Lua incrementally is easy, while with Go you would be adding another piece of infrastructure. I don't think there are any problems, or that it is error prone. Most people are learning a new language with Lua, so take your choice.