Merge pull request #193 from Runnect/feature/monitoring-infra

모니터링 인프라 구축: ELK + Prometheus/Grafana + Slack 알림

Author: unam98

.env.example

@@ -0,0 +1,4 @@
+# 로컬 모니터링 스택 실행 전, 이 파일을 .env로 복사하고 실제 값을 채우세요.
+# .env는 .gitignore에 포함되어 있어 커밋되지 않습니다.
+
+SLACK_WEBHOOK_URL=https://hooks.slack.com/services/XXXXXXXX/XXXXXXXX/XXXXXXXXXXXXXXXXXXXXXXXX

.github/CODEOWNERS

@@ -1 +0,0 @@
-*.java @funnysunny08 @RinRinPARK @YuSuhwa-ve

.github/workflows/dev-cd.yml

@@ -33,7 +33,7 @@ jobs:
     - name: make application.properties 파일 생성
       run: |
         ## create application.yml
-        mkdir ./src/main/resources
+        mkdir -p ./src/main/resources
         cd ./src/main/resources
 
         # application.yml 파일 생성

.github/workflows/dev-ci.yml

@@ -30,7 +30,7 @@ jobs:
     - name: make application.properties 파일 생성
       run: |
         ## create application.yml
-        mkdir ./src/main/resources
+        mkdir -p ./src/main/resources
         cd ./src/main/resources
 
         # application.yml 파일 생성

.github/workflows/prod-cd.yml

@@ -34,7 +34,7 @@ jobs:
     - name: make application.properties 파일 생성
       run: |
         ## create application.yml
-        mkdir ./src/main/resources
+        mkdir -p ./src/main/resources
         cd ./src/main/resources
 
         # application.yml 파일 생성

.github/workflows/prod-ci.yml

@@ -23,7 +23,7 @@ jobs:
       - name: make application.properties 파일 생성
         run: |
           ## create application.yml
-          mkdir ./src/main/resources
+          mkdir -p ./src/main/resources
           cd ./src/main/resources
           
           # application.yml 파일 생성

.gitignore

@@ -42,3 +42,6 @@ application.yaml
 
 ### DS_Store
 .DS_Store
+logs/
+test_write.tmp
+.env

Dockerfile

@@ -0,0 +1,26 @@
+# --- Build stage ---
+FROM gradle:8.2.1-jdk11 AS build
+WORKDIR /app
+
+COPY build.gradle settings.gradle ./
+COPY gradle ./gradle
+COPY gradlew ./
+
+COPY src ./src
+
+# 로컬/모니터링 검증용 application.yml은 build context 루트에 두고 복사한다.
+# (CI/CD에서는 GitHub Secret으로 별도 생성 — 이 Dockerfile은 로컬 검증 전용)
+COPY application.yml ./application.yml
+
+RUN ./gradlew bootJar -x test --no-daemon
+
+# --- Run stage ---
+FROM eclipse-temurin:11-jre
+WORKDIR /app
+
+COPY --from=build /app/build/libs/*.jar app.jar
+COPY --from=build /app/application.yml application.yml
+
+EXPOSE 8080
+
+ENTRYPOINT ["java", "-Duser.timezone=Asia/Seoul", "-jar", "app.jar", "--spring.config.location=file:./application.yml"]

build.gradle

@@ -31,6 +31,9 @@ dependencies {
 	// Health Check
 	implementation 'org.springframework.boot:spring-boot-starter-actuator'
 
+	// Monitoring - Prometheus
+	implementation 'io.micrometer:micrometer-registry-prometheus:1.9.14'
+
 	// JPA & Database
 	implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
 	implementation group: 'org.postgresql', name: 'postgresql', version: '42.2.27'

docker-compose.yml

@@ -0,0 +1,115 @@
+version: "3.8"
+
+services:
+  runnect-app:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    container_name: runnect-app
+    ports:
+      - "8080:8080"
+    depends_on:
+      - postgres
+      - redis
+    volumes:
+      - ./logs:/app/logs
+    networks:
+      - runnect-net
+
+  postgres:
+    image: postgres:15
+    container_name: runnect-postgres
+    environment:
+      POSTGRES_DB: runnect
+      POSTGRES_USER: runnect
+      POSTGRES_PASSWORD: runnect_local_password
+    ports:
+      - "5432:5432"
+    volumes:
+      - postgres_data:/var/lib/postgresql/data
+    networks:
+      - runnect-net
+
+  redis:
+    image: redis:7
+    container_name: runnect-redis
+    ports:
+      - "6379:6379"
+    networks:
+      - runnect-net
+
+  elasticsearch:
+    image: docker.elastic.co/elasticsearch/elasticsearch:8.13.4
+    container_name: runnect-elasticsearch
+    environment:
+      - discovery.type=single-node
+      - xpack.security.enabled=false
+      - "ES_JAVA_OPTS=-Xms512m -Xmx512m"
+    ports:
+      - "9200:9200"
+    networks:
+      - runnect-net
+
+  logstash:
+    image: docker.elastic.co/logstash/logstash:8.13.4
+    container_name: runnect-logstash
+    depends_on:
+      - elasticsearch
+    volumes:
+      - ./logstash.conf:/usr/share/logstash/pipeline/logstash.conf
+      - ./logs:/usr/share/logstash/logs
+      - logstash_data:/usr/share/logstash/data
+    ports:
+      - "5044:5044"
+    networks:
+      - runnect-net
+
+  kibana:
+    image: docker.elastic.co/kibana/kibana:8.13.4
+    container_name: runnect-kibana
+    depends_on:
+      - elasticsearch
+    environment:
+      - ELASTICSEARCH_HOSTS=http://elasticsearch:9200
+    ports:
+      - "5601:5601"
+    networks:
+      - runnect-net
+
+  prometheus:
+    image: prom/prometheus:latest
+    container_name: runnect-prometheus
+    volumes:
+      - ./prometheus.yml:/etc/prometheus/prometheus.yml
+    ports:
+      - "9090:9090"
+    depends_on:
+      - runnect-app
+    networks:
+      - runnect-net
+
+  grafana:
+    image: grafana/grafana:latest
+    container_name: runnect-grafana
+    environment:
+      - GF_SECURITY_ADMIN_USER=admin
+      - GF_SECURITY_ADMIN_PASSWORD=admin
+      - SLACK_WEBHOOK_URL=${SLACK_WEBHOOK_URL}
+    volumes:
+      - ./grafana/provisioning:/etc/grafana/provisioning
+      - grafana_data:/var/lib/grafana
+    ports:
+      - "3000:3000"
+    depends_on:
+      - prometheus
+    networks:
+      - runnect-net
+
+networks:
+  runnect-net:
+    driver: bridge
+
+volumes:
+  postgres_data:
+  grafana_data:
+  logstash_data: