sang-w0o

type ServeMux struct {
	// handlers maps HTTP method to a list of handlers.
	handlers                  map[string][]handler
	//..
}

type handler struct {
	pat Pattern
	h   HandlerFunc
}

sang-w0o

func New() {
	router := chi.NewRouter()
  
	//..
 
	router.Route("/api/", func(r chi.Router) {
		r.Post("/1", func(w http.ResponseWriter, r *http.Request) {
			mux.ServeHTTP(w, r)
		})
		

sang-w0o

func setContextFromMetadata(ctx context.Context) (context.Context, error) {
	md, ok := metadata.FromIncomingContext(ctx)
	if !ok {
		// handle error
	}
  
	data := md.Get("value1")
	if len(data) == 0 {
		return nil, fmt.Errorf("some error occured.")
	}

sang-w0o

func New() {
	// chi.Router 초기화 및 middleware 적용

	// gRPC Service 구현체에 context를 넘기기 위한 코드
  
	annotationFunc := func(ctx context.Context, request *http.Request) metadata.MD {
		return metadata.New(map[string]string{
			"key1":  "value1",
			"key2": "value2",
		})

sang-w0o

func New() {
	// Chi Router 초기화
	router := chi.NewRouter()

	// Middleware 적용
	router.Use(authorizeMiddleware())
	router.Use(middleWare())
	router.Use(anotherMiddleware())

	// grpc-gateway 사용을 위한 코드