🚀 [DEPLOY/#5] CICD 구축

.github/workflows/cd.yml

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+name: CD
+
+on:
+  push:
+    branches: [ "main", "cicd" ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout repository (with submodules)
+        uses: actions/checkout@v4
+        with:
+          token: ${{ secrets.GIT_ACTION_TOKEN }}
+          submodules: true
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Docker Hub Login
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+
+      - name: Docker Build & Push (cache)
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          file: ./docker/Dockerfile
+          push: true
+          tags: ${{ secrets.DOCKER_USERNAME }}/${{ secrets.DOCKER_REPO }}:latest
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+
+  deploy:
+    runs-on: ubuntu-latest
+    needs: build
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Copy docker-compose.yml to Server
+        uses: appleboy/scp-action@master
+        with:
+          host: ${{ secrets.SSH_HOST }}
+          port: ${{ secrets.SSH_PORT }}
+          username: ${{ secrets.SSH_USERNAME }}
+          key: ${{ secrets.SSH_PRIVATE_KEY }}
+          source: "docker/docker-compose.yml"
+          target: "~/app"
+
+      - name: Deploy on server (no down)
+        uses: appleboy/ssh-action@master
+        env:
+          ENV_FILE: ${{ secrets.ENV_FILE }}
+        with:
+          envs: ENV_FILE
+          host: ${{ secrets.SSH_HOST }}
+          port: ${{ secrets.SSH_PORT }}
+          username: ${{ secrets.SSH_USERNAME }}
+          key: ${{ secrets.SSH_PRIVATE_KEY }}
+          script: |
+            set -e
+            cd ~/app/docker
+
+            echo "⚪️ .env 생성"
+            echo "$ENV_FILE" > .env
+
+            echo "⚪️ 최신 이미지 pull"
+            docker compose pull
+
+            echo "⚪️ 변경분만 재기동 (down 하지 않음)"
+            docker compose up -d
+
+            echo "⚪️ 사용하지 않는 이미지 정리(선택)"
+            docker image prune -f

.github/workflows/ci.yml

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+name: CI
+
+on:
+  pull_request:
+    types: [ opened, synchronize, reopened ]
+
+permissions:
+  contents: read
+  checks: write
+  pull-requests: write
+
+jobs:
+  spotless:
+    name: Code Style Check
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Set up JDK 21
+        uses: actions/setup-java@v4
+        with:
+          java-version: "21"
+          distribution: "temurin"
+          cache: gradle
+
+      - name: Grant execute permission for gradlew
+        run: chmod +x gradlew
+
+      - name: Check code style with Spotless
+        run: ./gradlew spotlessCheck
+
+  build:
+    name: Build
+    needs: spotless
+    runs-on: ubuntu-22.04
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          submodules: true
+          token: ${{ secrets.GIT_ACTION_TOKEN }}
+
+      - name: Set up JDK 21
+        uses: actions/setup-java@v4
+        with:
+          java-version: "21"
+          distribution: "temurin"
+          cache: gradle
+
+      - name: Grant execute permission for gradlew
+        run: chmod +x gradlew
+
+      - name: Build with Gradle
+        run: ./gradlew build -x test

docker/.dockerignore

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+# Gradle 관련
+.gradle/
+build/
+!gradle/wrapper/gradle-wrapper.jar
+
+# IDE 관련
+.idea/
+.vscode/
+*.iws
+*.iml
+*.ipr
+.classpath
+.project
+.settings/
+
+# 로그 파일
+logs/
+*.log
+
+# 기타
+.git/
+.gitignore
+README.md
+docker-compose.yml
+Dockerfile
+.dockerignore

docker/Dockerfile

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+FROM eclipse-temurin:21-jdk AS build
+
+# 작업 위치
+WORKDIR /app
+
+# 소스 코드 복사
+COPY . .
+
+# 실행 권한 부여
+RUN chmod +x ./gradlew
+
+# 프로젝트 빌드
+RUN ./gradlew build -x test
+
+FROM eclipse-temurin:21-jre
+
+# 빌드 이미지에서 JAR 파일 복사
+COPY --from=build /app/build/libs/*.jar app.jar
+
+# 포트 노출
+EXPOSE 8080
+
+# 애플리케이션 실행
+ENTRYPOINT ["java", "-jar", "app.jar"]

docker/docker-compose.yml

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+services:
+  app:
+    image: ${DOCKER_USERNAME}/${DOCKER_REPO}:latest
+    container_name: insaroad
+    expose:
+      - "8080"
+    environment:
+      - SPRING_PROFILES_ACTIVE=${SPRING_PROFILES_ACTIVE}
+      - SPRING_DATASOURCE_URL=${SPRING_DATASOURCE_URL}
+      - SPRING_DATASOURCE_USERNAME=${SPRING_DATASOURCE_USERNAME}
+      - SPRING_DATASOURCE_PASSWORD=${SPRING_DATASOURCE_PASSWORD}
+    depends_on:
+      mysql:
+        condition: service_healthy
+    networks:
+      - insaroad-network
+    restart: unless-stopped
+
+  mysql:
+    image: mysql:8.0
+    container_name: mysql
+    expose:
+      - "3306"
+    environment:
+      - MYSQL_DATABASE=${MYSQL_DATABASE}
+      - MYSQL_ROOT_PASSWORD=${MYSQL_ROOT_PASSWORD}
+    volumes:
+      - mysql-data:/var/lib/mysql
+    healthcheck:
+      test: [ "CMD", "mysqladmin", "ping" ]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+    networks:
+      - insaroad-network
+    restart: unless-stopped
+
+  nginx:
+    image: nginx:latest
+    container_name: nginx
+    ports:
+      - "80:80"
+      - "443:443"
+    volumes:
+      - /home/ubuntu/nginx/conf.d:/etc/nginx/conf.d
+      - /etc/letsencrypt:/etc/letsencrypt:ro
+      - /home/ubuntu/nginx/.htpasswd:/etc/nginx/.htpasswd:ro
+    depends_on:
+      - app
+      - dozzle
+    networks:
+      - insaroad-network
+    restart: unless-stopped
+
+  dozzle:
+    image: amir20/dozzle:latest
+    container_name: dozzle
+    volumes:
+      - /var/run/docker.sock:/var/run/docker.sock:ro
+    networks:
+      - insaroad-network
+    restart: unless-stopped
+
+networks:
+  insaroad-network:
+    driver: bridge
+
+volumes:
+  mysql-data: