Why doesn't spring boot return Angular 5 pages by url?

Question

Angular

Hello! Dear toasters, what's the problem? Spring Boot is written by API, Angular 5 front. It's time for deployment. I built the project in Spring Boot resources/static/* everything works, cheers. But when you reload the page, Sping Security is triggered and says that the url is not very good and the client logic sometimes does not work, as if the scripts were not loaded. Details on screenshots.
Put ignore for files.

Launched - works. But when I switch not to "/" but let's say "/signin" and reload F5. then I get 401. As if I'm not stepping on Angular, but on an API to which I do not have access.

You can see what the problem is with GIF here VIEW GIF .

Answer 1

Solution.

package by.psu.controllers;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;

@Controller
public class ViewController {

    @RequestMapping(value = "/**/{[path:[^\\.]*}")
    public String redirect() {
        return "forward:/";
    }
}

Answer 2

I don’t know how in spring, but the server needs to redirect all requests to the same entry point to the Angular application.
And there is