Front Templates
https://github.com/dpwilhelmsen/sb-admin-2-bootstrap-4
go env -w GO111MODULE=on
go mod init github.nhnent.com/godo/cfo
# if package update
go mod vendor
Go Pacakge 들은 go.mod 에서 module 확인
go run main.go
https://chenyitian.gitbooks.io/gin-tutorials/content/gin/11.html