notes.md

Middleware examples

func (cfg *apiConfig) middlewareMetricsInc(next http.Handler) http.Handler {
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		cfg.fileserverHits++
		next.ServeHTTP(w, r)
	})
}

func middlewareLog(next http.Handler) http.Handler {
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		log.Printf("%s %s", r.Method, r.URL.Path)
		next.ServeHTTP(w, r)
	})
}