Added server config

LoadBalancerWeb/src/main/java/ru/dragonestia/loadbalancer/web/config/ServerConfig.java

@@ -0,0 +1,19 @@
+package ru.dragonestia.loadbalancer.web.config;
+
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+import java.net.URI;
+
+@Configuration
+public class ServerConfig {
+
+    @Value("${DLB_HOST_URL:http://localhost:8080/}")
+    private String serverUrl;
+
+    @Bean
+    URI serverUrl() {
+        return URI.create(serverUrl);
+    }
+}