Net HTTP Essentials

http.HandleFunc("/health", func(w http.ResponseWriter, r *http.Request) {
    w.WriteHeader(http.StatusOK)
    _, _ = w.Write([]byte("ok"))
})
// GET /health -> ok

srv := &http.Server{
    Addr:              ":8080",
    ReadHeaderTimeout: 5 * time.Second,
}
// err := srv.ListenAndServe()

// req, err := http.NewRequestWithContext(ctx, http.MethodGet, url, nil)
// res, err := http.DefaultClient.Do(req)
// defer res.Body.Close()

func withLog(next http.Handler) http.Handler {
    return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
        next.ServeHTTP(w, r)
    })
}

// json.NewDecoder(r.Body).Decode(&in)
// json.NewEncoder(w).Encode(out)

// mux.HandleFunc("GET /items/{id}", h)
// id := r.PathValue("id")

// w.Header().Set("Content-Type", "application/json")
// w.WriteHeader(http.StatusCreated)

// _ = r.ParseForm()
// q := r.FormValue("q")

// http.SetCookie(w, &http.Cookie{Name: "s", Value: "x", Path: "/"})

// http.Redirect(w, r, "/login", http.StatusFound)

// http.Handle("/static/", http.StripPrefix("/static/", http.FileServer(http.Dir("static"))))

// http.TimeoutHandler(h, 2*time.Second, "timeout")

// rr := httptest.NewRecorder()
// h.ServeHTTP(rr, req)
// rr.Code == 200

// defer res.Body.Close()

// _ = srv.Shutdown(ctx)