func main()

in code/app/main.go [31:64]
26 lines of code
3 McCabe index (conditional complexity)

func main() {
	port := os.Getenv("PORT")
	bucket := os.Getenv("BUCKET")

	if port == "" {
		port = "8080"
	}

	fmt.Printf("Port: %s\n", port)

	var err error
	cs, err = NewCloudStorage(bucket)
	if err != nil {
		log.Printf("failed to create client: %v", err)
		return
	}
	defer cs.Close()

	router := mux.NewRouter().StrictSlash(true)

	router.HandleFunc("/api/v1/image", listHandler).Methods(http.MethodGet, http.MethodOptions)
	router.HandleFunc("/api/v1/image", createHandler).Methods(http.MethodPost)
	router.HandleFunc("/api/v1/image/{id}", readHandler).Methods(http.MethodGet)
	router.HandleFunc("/api/v1/image/{id}", deleteHandler).Methods(http.MethodDelete)
	router.HandleFunc("/api/v1/image/{id}", updateHandler).Methods(http.MethodPost, http.MethodPut)

	router.PathPrefix("/").Handler(http.FileServer(http.Dir("./static/")))

	headersOk := handlers.AllowedHeaders([]string{"X-Requested-With"})
	originsOk := handlers.AllowedOrigins([]string{"*"})
	methodsOk := handlers.AllowedMethods([]string{"GET", "HEAD", "POST", "PUT", "OPTIONS", "DELETE"})

	log.Fatal(http.ListenAndServe(":"+port, handlers.CORS(originsOk, headersOk, methodsOk)(router)))
}