Spring Boot Cors Filter

CorsConfig.java

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.autoconfigure.security.SpringBootWebSecurityConfiguration;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Profile;
import org.springframework.web.servlet.config.annotation.CorsRegistry;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;

import javax.servlet.*;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@ComponentScan
@SpringBootApplication
public class Application {

	public static void main(String[] args) {
		SpringApplication.run(Application.class, args);
	}

	@Bean
	@Profile("local")
	public Filter corsFilter() {
		return new Filter() {

			public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain) throws IOException, ServletException {
				HttpServletResponse response = (HttpServletResponse) res;
				response.setHeader("Access-Control-Allow-Origin", "http://localhost:3000");
				response.setHeader("Access-Control-Allow-Methods", "POST, GET, PUT, OPTIONS, DELETE, PATCH");
				response.setHeader("Access-Control-Max-Age", "3600");
				response.setHeader("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept");
				response.setHeader("Access-Control-Expose-Headers", "Location");
				chain.doFilter(req, res);
			}

  		public void init(FilterConfig filterConfig) {}

  		public void destroy() {}

		};
	}
}