func main()

in golang/go-hello-world/main.go [22:48]

• 21 lines of code
• 4 McCabe index (conditional complexity)

func main() {
	t, err := template.ParseFiles("template/index.html")
	if err != nil {
		log.Fatalf("Error parsing template: %+v", err)
	}
	tmpl = t

	data = templateData{
		Message: "It's running!",
	}

	addr := defaultAddr
	// $PORT environment variable is provided in the Kubernetes deployment.
	if p := os.Getenv("PORT"); p != "" {
		addr = ":" + p
	}
	log.Printf("Server listening on port %s", addr)

	http.HandleFunc("/", home)

	fs := http.FileServer(http.Dir("template/static"))
	http.Handle("/static/", http.StripPrefix("/static/", fs))

	if err := http.ListenAndServe(addr, nil); err != nil {
		log.Fatalf("Server listening error: %+v", err)
	}
}