From 4cd10e3fbd31332be017c1bfaffcd3138ef589f5 Mon Sep 17 00:00:00 2001
From: ThinkKat <jwy06048@gmail.com>
Date: Thu, 26 Feb 2026 21:11:15 +0900
Subject: [PATCH] =?UTF-8?q?feat:=20Prometheus=20=EB=A9=94=ED=8A=B8?=
 =?UTF-8?q?=EB=A6=AD=20+=20load-test=20=ED=8C=8C=EC=9D=BC=20=EB=A1=9C?=
 =?UTF-8?q?=EA=B9=85=20=EC=B6=94=EA=B0=80?=
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- micrometer-registry-prometheus 의존성 추가 → /actuator/prometheus 엔드포인트 활성화
- logback-spring.xml: load-test 프로파일도 FILE appender 사용 (Alloy 수집용)
- application-prod.yml, application-load-test.yml: prometheus endpoint 노출 + metrics tags
---
 build.gradle                            | 3 +++
 src/main/resources/application-prod.yml | 6 +++++-
 src/main/resources/logback-spring.xml   | 2 +-
 3 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/build.gradle b/build.gradle
index f10d70e..ee91a56 100644
--- a/build.gradle
+++ b/build.gradle
@@ -48,6 +48,9 @@ dependencies {
 	runtimeOnly 'org.postgresql:postgresql'
 	runtimeOnly 'com.h2database:h2'
 
+	// Metrics
+	runtimeOnly 'io.micrometer:micrometer-registry-prometheus'
+
 	// Logging
 	implementation 'net.logstash.logback:logstash-logback-encoder:7.4'
 
diff --git a/src/main/resources/application-prod.yml b/src/main/resources/application-prod.yml
index 85201cf..af4a01d 100644
--- a/src/main/resources/application-prod.yml
+++ b/src/main/resources/application-prod.yml
@@ -32,10 +32,14 @@ management:
   endpoints:
     web:
       exposure:
-        include: "health"
+        include: "health,prometheus"
   endpoint:
     health:
       show-details: never
+  metrics:
+    tags:
+      application: opic-practice
+      env: production
 
 logging:
   file:
diff --git a/src/main/resources/logback-spring.xml b/src/main/resources/logback-spring.xml
index f2e1259..8fb454b 100644
--- a/src/main/resources/logback-spring.xml
+++ b/src/main/resources/logback-spring.xml
@@ -2,7 +2,7 @@
     <springProperty scope="context" name="LOG_PATH" source="logging.file.path" defaultValue="/tmp/logs"/>
     <springProperty scope="context" name="LOG_FILE_NAME" source="logging.file.name" defaultValue="application"/>
 
-    <springProfile name="prod">
+    <springProfile name="prod,load-test">
         <appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
             <file>${LOG_PATH}/${LOG_FILE_NAME}.log</file>
             <rollingPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedRollingPolicy">