package main import ( "net/http" "github.com/go-chi/chi" "github.com/rs/cors" ) func main() { r := chi.NewRouter() // Use default options r.Use(cors.Default().Handler) r.Get("/", func(w http.ResponseWriter, r *http.Request) { w.Write([]byte("welcome")) }) http.ListenAndServe(":8080", r) }