curl -sSfL https://raw.githubusercontent.com/cosmtrek/air/master/install.sh | sh -s -- -b $(go env GOPATH)/bin air -v
go get github.com/codegangsta/gin gin -h gin --all -i run main.go
curl -sSfL https://raw.githubusercontent.com/cosmtrek/air/master/install.sh | sh -s -- -b $(go env GOPATH)/bin air -v
go get github.com/codegangsta/gin gin -h gin --all -i run main.go