CGO_ENABLED=0 and -installsuffix cgo are no longer required since Go 1.10 and as for -a (force rebuild) is a waste of time tbh since most of packages are already prebuilt with CGO_ENABLED=0 out of the box.
origin: https://github.com/golang/go/issues/9344#issuecomment-69944514
Just my 5 cents.
