feat : add prometheus && grafana (#104)

Author: chat26666

build.gradle

@@ -73,8 +73,9 @@ dependencies {
     // Mac에서 빌드시 필요한 의존성
     implementation 'io.netty:netty-resolver-dns-native-macos:4.1.121.Final:osx-aarch_64'
 
-    // actuator
+    // actuator + 프로메테우스
     implementation 'org.springframework.boot:spring-boot-starter-actuator'
+    runtimeOnly 'io.micrometer:micrometer-registry-prometheus'
 
     // elasticsearch + elasticsearch 쿼리빌더 dsl
     implementation 'org.springframework.boot:spring-boot-starter-data-elasticsearch'

src/main/resources/application.properties

@@ -46,10 +46,14 @@ spring.message.activemq.password=${ACTIVEMQ_PASSWORD}
 spring.message.activemq.port=${ACTIVEMQ_PORT}
 
 # ========================
-# Actuator
+# Actuator && Prometheus
 # ========================
-management.endpoints.web.exposure.include=health,info
+management.endpoints.web.exposure.include=health,metrics,prometheus,info
 management.endpoint.health.show-details=always
+management.endpoint.health.access=unrestricted
+management.endpoint.metrics.access=unrestricted
+management.endpoint.prometheus.access=unrestricted
+management.prometheus.metrics.export.enabled=true
 
 # ========================
 # Judge0Client
@@ -122,7 +126,6 @@ cloud.aws.s3.bucket=ezcode-s3
 cloud.aws.region.static=ap-northeast-2
 cloud.aws.stack.auto=false
 
-
 #logging.level.org.springframework.security=DEBUG
 #logging.level.org.springframework.security.oauth2=DEBUG
 #logging.level.org.springframework.security.oauth2.client=TRACE