From 567673ab23ab67d2feeef71d43d8a534b22d2bba Mon Sep 17 00:00:00 2001
From: kanghana1 <qazplm12093@naver.com>
Date: Sat, 3 Oct 2026 16:21:37 +0900
Subject: [PATCH] =?UTF-8?q?feat:=20=EB=B6=80=ED=95=98=ED=85=8C=EC=8A=A4?=
 =?UTF-8?q?=ED=8A=B8=20=EC=8B=A4=ED=96=89=20=ED=99=98=EA=B2=BD=20=EA=B5=AC?=
 =?UTF-8?q?=EC=84=B1?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

- SPRING_PROFILES_ACTIVE를 .env로 토글 (평소 prod / 부하시 prod,loadtest)
- 시드 확장: 회원 100->2500, 과목 20->30
- 경량 지표 노출: actuator + micrometer-prometheus
  (tomcat threads / hikaricp connections / cpu) -> /actuator/prometheus
---
 .env.example                                       |  3 +++
 build.gradle                                       |  4 ++++
 docker-compose.prod.yml                            |  2 +-
 .../global/init/DataInitializer.java               |  2 +-
 src/main/resources/application-prod.yml            | 14 ++++++++++++--
 5 files changed, 21 insertions(+), 4 deletions(-)

diff --git a/.env.example b/.env.example
index 818b8a4..efb25aa 100644
--- a/.env.example
+++ b/.env.example
@@ -4,6 +4,9 @@
 # Docker Hub 사용자명 (앱 이미지: <DOCKER_USERNAME>/docker-springboot:latest)
 DOCKER_USERNAME=your-dockerhub-username
 
+# Spring 프로파일 (평소 prod / 부하테스트 시 prod,loadtest 로 변경하면 헤더 기반 userId 활성화)
+SPRING_PROFILES_ACTIVE=prod
+
 # MySQL
 MYSQL_ROOT_PASSWORD=change-me-root-password
 DB_NAME=course_register
diff --git a/build.gradle b/build.gradle
index 4343738..c27da78 100644
--- a/build.gradle
+++ b/build.gradle
@@ -60,6 +60,10 @@ dependencies {
 
 	// redisson
 	implementation 'org.redisson:redisson-spring-boot-starter:3.27.2'
+
+	// monitoring (부하테스트용 지표: thread pool / connection pool / cpu)
+	implementation 'org.springframework.boot:spring-boot-starter-actuator'
+	implementation 'io.micrometer:micrometer-registry-prometheus'
 }
 
 tasks.named('test') {
diff --git a/docker-compose.prod.yml b/docker-compose.prod.yml
index 4ee7077..f81e812 100644
--- a/docker-compose.prod.yml
+++ b/docker-compose.prod.yml
@@ -42,7 +42,7 @@ services:
     ports:
       - "80:8080"
     environment:
-      SPRING_PROFILES_ACTIVE: prod
+      SPRING_PROFILES_ACTIVE: ${SPRING_PROFILES_ACTIVE:-prod}
       DB_HOST: mysql
       DB_PORT: 3306
       DB_NAME: ${DB_NAME}
diff --git a/src/main/java/com/practice/course_registration/global/init/DataInitializer.java b/src/main/java/com/practice/course_registration/global/init/DataInitializer.java
index 15bf16a..a767c37 100644
--- a/src/main/java/com/practice/course_registration/global/init/DataInitializer.java
+++ b/src/main/java/com/practice/course_registration/global/init/DataInitializer.java
@@ -50,7 +50,7 @@ public void run(String... args) {
     private void seedSubjects() {
         SubjectDay[] days = SubjectDay.values();
         List<Subject> subjects = new ArrayList<>();
-        for (int i = 1; i <= 20; i++) {
+        for (int i = 1; i <= 30; i++) {
             subjects.add(Subject.builder()
                     .subjectName("테스트과목" + i)
                     .professorName("교수" + i)
diff --git a/src/main/resources/application-prod.yml b/src/main/resources/application-prod.yml
index 4130b4b..371e554 100644
--- a/src/main/resources/application-prod.yml
+++ b/src/main/resources/application-prod.yml
@@ -43,5 +43,15 @@ server:
 app:
   seed:
     enabled: true
-    member-count: 100
-    member-password: test1234
\ No newline at end of file
+    member-count: 2500
+    member-password: test1234
+
+# 부하테스트용 지표 노출 (thread pool / connection pool / cpu)
+management:
+  endpoints:
+    web:
+      exposure:
+        include: health, prometheus
+  metrics:
+    tags:
+      application: course-registration
\ No newline at end of file