go env -w GOPROXY=off	 		# Skips Google's module proxy; slightly slower then "off".
go env -w GOSUMDB=sum.golang.org 	# Or "off" to avoid Google's sum db.
go env -w GOTOOLCHAIN=local		# Uses the installed toolchain for everything.
go env -w GOBIN="$HOME/.local/bin"	# Optional: XDG-ish, likely already on PATH.
go env -w CGO_ENABLED=1
