add

trading_assistant_api/services/user/internal/handler/user_handler.go

@@ -69,13 +69,25 @@ func (h *Handler) Login(w http.ResponseWriter, r *http.Request) {
 }
 
 func (h *Handler) Healthz(w http.ResponseWriter, r *http.Request) {
+	if r.Method != http.MethodPost {
+		httpx.MethodNotAllowed(w, string(codes.MethodNotAllowed))
+		return
+	}
 	httpx.OK(w, nil)
 }
 
 func (h *Handler) Version(w http.ResponseWriter, r *http.Request) {
+	if r.Method != http.MethodPost {
+		httpx.MethodNotAllowed(w, string(codes.MethodNotAllowed))
+		return
+	}
 	httpx.OK(w, map[string]string{"version": "user-service v0.1.0"})
 }
 
 func (h *Handler) Root(w http.ResponseWriter, r *http.Request) {
+	if r.Method != http.MethodPost {
+		httpx.MethodNotAllowed(w, string(codes.MethodNotAllowed))
+		return
+	}
 	httpx.OK(w, map[string]string{"service": "user"})
 }