Tip: CORS Support in Spring

Spring MVC has implicit CORS support, so to use the controller method CORS configuration with @CrossOrigin annotation in your Spring Boot application does not require any specific configuration.

The global CORS configuration can be defined by registering a WebMVCConfigurer bean with a customized addCorsMappings(CorsRegistry) method, as you can see in the code below:

@Configuration
public class MyConfiguration {

     @Bean
     public WebMvcConfigurer corsConfigurer() {
            return new WebMvcConfigurerAdapter()  {
                @Override
                public void addCorsMappings(CorsRegistry registry) {
                          registry.addMapping("/api/**");
                }
            };
    }
}

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