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gateway routing pattern

Anjali Sharma answered on January 6, 2023 Popularity 3/10 Helpfulness 1/10

answer gateway routing pattern

gateway routing pattern

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Route requests to multiple services or multiple service instances using a single endpoint.

The pattern is useful when you want to: Expose multiple services on a single endpoint and route to the appropriate service based on the request.

@SpringBootApplication
@EnableConfigurationProperties(UriConfiguration.class)
@RestController
public class Application {

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

  @Bean
  public RouteLocator myRoutes(RouteLocatorBuilder builder, UriConfiguration uriConfiguration) {
    String httpUri = uriConfiguration.getHttpbin();
    return builder.routes()
      .route(p -> p
        .path("/get")
        .filters(f -> f.addRequestHeader("Hello", "World"))
        .uri(httpUri))
      .route(p -> p
        .host("*.circuitbreaker.com")
        .filters(f -> f
          .circuitBreaker(config -> config
            .setName("mycmd")
            .setFallbackUri("forward:/fallback")))
        .uri(httpUri))
      .build();
  }

  @RequestMapping("/fallback")
  public Mono<String> fallback() {
    return Mono.just("fallback");
  }
}

@ConfigurationProperties
class UriConfiguration {
  
  private String httpbin = "http://httpbin.org:80";

  public String getHttpbin() {
    return httpbin;
  }

  public void setHttpbin(String httpbin) {
    this.httpbin = httpbin;
  }
}COPY
Now we can

https://spring.io/guides/gs/gateway/

Popularity 3/10 Helpfulness 1/10 Language javascript

Source: Grepper

Tags: gateway javascript

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Contributed on Jan 06 2023

Anjali Sharma

0 Answers Avg Quality 2/10

gateway routing pattern

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