Add request logging

main.go

@@ -20,18 +20,27 @@ var (
 	indexTmpl = template.Must(template.ParseFiles("index.gohtml"))
 )
 
+func logRequest(response int, r *http.Request) {
+	log.Printf("[%s] %s %s %d", r.RemoteAddr, r.Method, r.RequestURI, response)
+}
+
 func handleRoot(w http.ResponseWriter, r *http.Request) {
 	if r.RequestURI != "/" {
+		logRequest(404, r)
+
 		w.WriteHeader(http.StatusNotFound)
 		w.Write([]byte("404 not found"))
 		return
 	}
 
+	logRequest(200, r)
 	indexTmpl.Execute(w, nil)
 }
 
 func handleAPI(w http.ResponseWriter, r *http.Request) {
 	if r.Method != "GET" || r.RequestURI != "/api" {
+		logRequest(404, r)
+
 		w.WriteHeader(http.StatusNotFound)
 		w.Write([]byte("404 not found"))
 		return
@@ -44,6 +53,8 @@ func handleAPI(w http.ResponseWriter, r *http.Request) {
 
 	b, err := json.Marshal(a)
 	if err != nil {
+		logRequest(500, r)
+
 		w.WriteHeader(http.StatusInternalServerError)
 		b, _ = json.Marshal(map[string]any{
 			"status": "Failed",
@@ -51,6 +62,7 @@ func handleAPI(w http.ResponseWriter, r *http.Request) {
 		})
 	}
 
+	logRequest(200, r)
 	w.Write(b)
 }
 
@@ -67,9 +79,11 @@ func main() {
 	http.HandleFunc("/", handleRoot)
 	http.HandleFunc("/api", handleAPI)
 	http.HandleFunc("/index.css", func(w http.ResponseWriter, r *http.Request) {
+		logRequest(200, r)
 		http.ServeFile(w, r, "index.css")
 	})
 	http.HandleFunc("/index.js", func(w http.ResponseWriter, r *http.Request) {
+		logRequest(200, r)
 		http.ServeFile(w, r, "index.js")
 	})