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<dependency>
    <groupId>org.springframework.cloud</groupId>
    <artifactId>spring-cloud-starter-gateway</artifactId>
</dependency>

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@Configuration
public class GatewayConfig {

    @Bean
    public RouteLocator customRouteLocator(RouteLocatorBuilder builder) {
        return builder.routes()
                .route("route_name", r -> r.path("/api/**")
                        .filters(f -> f.stripPrefix(1))
                        .uri("http://example.com"))
                .build();
    }
}

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