feat(zipkin): 모니터링 시스템 zipkin 추가

customer-apigateway-service/build.gradle

@@ -30,6 +30,9 @@ dependencies {
 	implementation 'io.jsonwebtoken:jjwt:0.9.1'
 	// https://mvnrepository.com/artifact/io.netty/netty-resolver-dns-native-macos
 	implementation 'io.netty:netty-resolver-dns-native-macos:4.1.68.Final:osx-aarch_64'
+	// zipkin & sleuth
+	implementation 'org.springframework.cloud:spring-cloud-starter-sleuth'
+	implementation 'org.springframework.cloud:spring-cloud-starter-zipkin:2.2.3.RELEASE'
 
 	implementation 'javax.xml.bind:jaxb-api:2.3.1'
 

customer-apigateway-service/src/main/resources/application.yml

@@ -18,8 +18,17 @@ eureka:
 spring:
   application:
     name: customer-apigateway-service
+
   config:
     import: optional:configserver:http://127.0.0.1:8888
+
+  zipkin:
+    base-url: http://127.0.0.1:9411
+    enabled: true
+  sleuth:
+    sampler:
+      probability: 1.0
+
   cloud:
     config:
       name: bootstrap