Chatto/src/main/java/org/ros/chatto/WebConfig.java

package org.ros.chatto;

import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.CorsRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

@Configuration
// @EnableWebMvc
public class WebConfig implements WebMvcConfigurer {

	@Override
	public void addCorsMappings(CorsRegistry registry) {
		registry.addMapping("/api/**").allowedOrigins("*")
				.allowedMethods("POST", "GET", "OPTIONS").allowedHeaders("*")
				.allowCredentials(false).maxAge(3600);

	}
}