xgo2 - Go CGO cross compiler

fork from:

https://github.com/gythialy/xgo

which fork from:

https://github.com/karalabe/xgo

using Docker Hub to hold the images

enhanced

--goproxy

enable GOPROXY environment variable when compiling

--envlist

Send more environment variables when compiling.

An example is to set the GOPRIVATE when a go mod project references some private modules (and in this case the GOPROXY should be a custom one).

xgo2 --envlist="GOPRIVATE=private.git.repo.com"

install

go get -u github.com/youchainhq/xgo2