[8주차] 김민지 / [deploy] docker-compose.yml 파일 작성 및 Github Actions 기반 CI/CD 파이프라인 구축

blog/.github/workflows/cicd.yml

@@ -0,0 +1,98 @@
+name: CI/CD Pipeline
+
+on:
+  push:
+    branches:
+      - "김민지/main"
+      - "김민지/8주차"
+  pull_request:
+    branches: [ "김민지/main" ]
+  workflow_dispatch:
+
+jobs:
+  # 1. 테스트 및 빌드 작업
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up JDK 17
+        uses: actions/setup-java@v4
+        with:
+          java-version: '17'
+          distribution: 'temurin'
+
+      # Secret에 넣어둔 application.yml을 생성하는 단계
+      - name: Restore application.yml
+        run: |
+          mkdir -p ./blog/src/main/resources
+          echo "${{ secrets.APPLICATION_YML }}" | base64 --decode > ./blog/src/main/resources/application.yml
+
+      - name: Grant execute permission for gradlew
+        run: chmod +x ./gradlew
+
+      - name: Build with Gradle
+        run: ./gradlew clean build -x test
+
+      - name: Upload Build Artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: build-artifact
+          path: blog/build/libs/*.jar
+
+  # 2. 도커 이미지 빌드 및 Push 작업
+  docker-push:
+    runs-on: ubuntu-latest
+    needs: build
+    steps:
+      - uses: actions/checkout@v4
+
+      # application.yml이 이미지 빌드에 필요하므로 다시 생성
+      - name: Restore application.yml
+        run: |
+          mkdir -p ./blog/src/main/resources
+          echo "${{ secrets.APPLICATION_YML }}" | base64 --decode > ./blog/src/main/resources/application.yml
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+
+      - name: Build and Push Docker Image
+        uses: docker/build-push-action@v5
+        with:
+          context: ./blog
+          file: ./blog/Dockerfile
+          push: true
+          tags: sxvxnxwt/leets-blog:latest
+
+  # 3. EC2 배포 작업
+  deploy:
+    runs-on: ubuntu-latest
+    needs: docker-push
+    steps:
+      - uses: actions/checkout@v4
+
+      # docker-compose.yml 파일을 EC2로 복사
+      - name: Copy docker-compose.yml to EC2
+        uses: appleboy/scp-action@master
+        with:
+          host: ${{ secrets.EC2_HOST }}
+          username: ${{ secrets.EC2_USERNAME }}
+          key: ${{ secrets.EC2_SSH_KEY }}
+          source: "blog/docker-compose.yml"
+          target: "/home/ubuntu/"
+
+      # SSH로 접속하여 배포 명령 실행
+      - name: Deploy to EC2
+        uses: appleboy/ssh-action@master
+        with:
+          host: ${{ secrets.EC2_HOST }}
+          username: ${{ secrets.EC2_USERNAME }}
+          key: ${{ secrets.EC2_SSH_KEY }}
+          script: |
+            cd /home/ubuntu
+            sudo docker-compose down || true
+            sudo docker-compose pull
+            sudo docker-compose up -d

blog/Dockerfile

@@ -0,0 +1,11 @@
+FROM eclipse-temurin:17-jre-alpine
+
+WORKDIR /app
+
+ENV SERVER_PORT=8080
+
+COPY blog/build/libs/blog-0.0.1-SNAPSHOT.jar app.jar
+
+EXPOSE ${SERVER_PORT}
+
+ENTRYPOINT ["java", "-jar", "app.jar"]

blog/docker-compose.yml

@@ -0,0 +1,52 @@
+version: "3.9"
+
+services:
+  db:
+    image: mysql:8
+    container_name: mydb
+    restart: always
+    environment:
+      MYSQL_ROOT_PASSWORD: 1234
+      MYSQL_DATABASE: leets_blog  # application.yml의 DB명과 일치
+      TZ: Asia/Seoul
+    command: [
+      "--performance-schema=off",
+      "--innodb-buffer-pool-size=64M"
+    ]
+    ports:
+      - "3306:3306"
+    volumes:
+      - db-data:/var/lib/mysql
+    networks:
+      - mynetwork
+    healthcheck:
+      test: [ "CMD", "mysqladmin", "ping", "-h", "localhost" ]
+      timeout: 10s
+      retries: 10
+      interval: 3s
+      start_period: 25s
+
+  springapp:
+    image: sxvxnxwt/leets-blog:latest  # Docker Hub에 올라갈 이미지 이름
+    container_name: springapp
+    restart: always
+    ports:
+      - "8080:8080"
+    depends_on:
+      db:
+        condition: service_healthy
+    environment:
+      SPRING_DATASOURCE_URL: jdbc:mysql://db:3306/leets_blog?serverTimezone=Asia/Seoul
+      SPRING_DATASOURCE_USERNAME: root
+      SPRING_DATASOURCE_PASSWORD: 1234
+      SPRING_JPA_HIBERNATE_DDL_AUTO: update
+      TZ: Asia/Seoul
+    networks:
+      - mynetwork
+
+volumes:
+  db-data:
+
+networks:
+  mynetwork:
+    driver: bridge

blog/src/main/resources/application.yml

@@ -5,7 +5,7 @@ spring:
   application:
     name: blog
   datasource:
-    url: jdbc:mysql://localhost:3306/leets_blog?serverTimezone=Asia/Seoul
+    url: jdbc:mysql://db:3306/leets_blog?serverTimezone=Asia/Seoul
     username: root
     password: 1234
   jpa: