package gopkgserver import ( "io" "net/http" ) func Robot() http.HandlerFunc { robots := `User-agent: * Disallow: / ` return func(w http.ResponseWriter, r *http.Request) { w.Header().Set("Cache-Control", "public, max-age=86400, immutable") w.Header().Set("Content-Type", "text/plain") io.WriteString(w, robots) } }