refactored app configuration to read external service urls from application properties

ecom-service/src/main/java/com/nisum/ecomservice/config/AppConfig.java

-package com.nisum.ecomservice.config;
-
-
-import lombok.NoArgsConstructor;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.beans.factory.annotation.Value;
-import org.springframework.context.annotation.Bean;
-import org.springframework.context.annotation.Configuration;
-import org.springframework.core.env.Environment;
-
-@NoArgsConstructor
-public class AppConfig {
-
-    @Autowired
-    private static Environment env;
-
-    private static String orderManagementUrl=env.getProperty("orders.apiUrl");
-
-    private static String productsManagementUrl=env.getProperty("products.apiUrl");
-
-    private static String promoManagementUrl=env.getProperty("promos.apiUrl");
-
-    public static String getOrderManagementUrl() {
-        return orderManagementUrl;
-    }
-
-    public static String getProductsManagementUrl() {
-        return productsManagementUrl;
-    }
-
-    public static String getPromoManagementUrl() {
-        return promoManagementUrl;
-    }
-}