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Deploy: write dockerfile & deploy flow files
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‎.DS_Store‎

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‎.github/workflows/deploy.yml‎

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name: Deploy with Docker Hub
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on:
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push:
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branches: [main, develop]
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pull_request:
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branches: [main]
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env:
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DOCKER_IMAGE: leeeunda/blockcloud-server
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jobs:
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test:
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runs-on: ubuntu-latest
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continue-on-error: true # 급배포용(테스트 실패해도 다음 진행)
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steps:
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- uses: actions/checkout@v4
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- name: Set up JDK 21
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uses: actions/setup-java@v4
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with:
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java-version: '21'
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distribution: temurin
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- name: Cache Gradle
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uses: actions/cache@v3
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with:
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path: |
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~/.gradle/caches
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~/.gradle/wrapper
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key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}
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restore-keys: ${{ runner.os }}-gradle-
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- name: Run tests (non-blocking)
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run: ./gradlew test || true
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build-and-push:
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needs: test
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runs-on: ubuntu-latest
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if: github.ref == 'refs/heads/main' || github.ref == 'refs/heads/develop'
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steps:
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- uses: actions/checkout@v4
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- name: Login to Docker Hub
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uses: docker/login-action@v3
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with:
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username: ${{ secrets.DOCKER_USERNAME }} # <<< CHANGE(secrets): Docker Hub ID
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password: ${{ secrets.DOCKER_PASSWORD }} # <<< CHANGE(secrets): Docker Hub PAT/비번
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- name: Set up Docker Buildx
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uses: docker/setup-buildx-action@v3
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# 만약 EC2가 Graviton(ARM64)이면 platform 지정 필요
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# with: platforms: linux/arm64
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- name: Build and push Docker image
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uses: docker/build-push-action@v5
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with:
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context: .
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push: true
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tags: |
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${{ env.DOCKER_IMAGE }}:latest
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${{ env.DOCKER_IMAGE }}:${{ github.sha }}
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${{ env.DOCKER_IMAGE }}:${{ github.ref_name }}
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cache-from: type=gha
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cache-to: type=gha,mode=max
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# platforms: linux/amd64 # <<< CHANGE(옵션): EC2가 x86_64면 유지, ARM이면 linux/arm64 로
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deploy-to-ec2:
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needs: build-and-push
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runs-on: ubuntu-latest
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if: github.ref == 'refs/heads/main'
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steps:
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- name: Deploy to EC2 (pull & replace container)
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uses: appleboy/ssh-action@v1.2.0
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with:
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host: ${{ secrets.EC2_HOST }} # <<< CHANGE(secrets): EC2 퍼블릭 도메인/IP
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username: ${{ secrets.EC2_USER }} # <<< CHANGE(secrets): 일반 ubuntu
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key: ${{ secrets.EC2_SSH_KEY }} # <<< CHANGE(secrets): PEM 본문
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script: |
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set -e
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IMAGE="${{ env.DOCKER_IMAGE }}:${{ github.sha }}"
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echo "Pull $IMAGE"
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docker pull "$IMAGE"
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echo "Stop & remove old container"
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docker stop blockcloud-app || true
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docker rm blockcloud-app || true
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echo "Run new container (bind only localhost)"
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docker run -d \
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--name blockcloud-app \
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--restart unless-stopped \
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--env-file /srv/app/.env \
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-p 127.0.0.1:8080:8080 \
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"$IMAGE"
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echo "Health check"
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# <<< CHANGE(필요시): 액추에이터 경로가 다르면 아래 URL 수정
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for i in {1..20}; do
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if curl -fsS http://127.0.0.1:8080/actuator/health >/dev/null 2>&1; then
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echo "UP"
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exit 0
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fi
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sleep 3
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done
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echo "App failed to start. Logs:"
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docker logs --tail=200 blockcloud-app || true
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exit 1

‎Dockerfile‎

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# 멀티스테이지 빌드
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FROM gradle:8.5-jdk21 AS build
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# 작업 디렉토리 설정
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WORKDIR /app
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# Gradle 파일들 복사 (캐시 최적화)
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COPY gradlew .
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COPY gradle gradle
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COPY build.gradle .
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COPY settings.gradle .
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# 의존성 다운로드
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RUN ./gradlew dependencies --no-daemon
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# 소스 코드 복사
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COPY src src
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# JAR 파일 빌드
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RUN ./gradlew build -x test --no-daemon
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# 실행 스테이지
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FROM openjdk:21-jdk-slim
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# 메타데이터
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LABEL maintainer="BlockCloud Team"
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LABEL version="1.0"
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LABEL description="BlockCloud Backend Application"
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# 작업 디렉토리 설정
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WORKDIR /app
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# JAR 파일 복사
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COPY --from=build /app/build/libs/*.jar app.jar
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# 포트 노출
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EXPOSE 8080
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# 헬스체크
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HEALTHCHECK --interval=30s --timeout=3s --start-period=60s --retries=3 \
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CMD curl -f http://localhost:8080/actuator/health || exit 1
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# 애플리케이션 실행
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ENTRYPOINT ["java", "-jar", "app.jar"]

‎scripts/deploy.sh‎

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#!/bin/bash
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# BlockCloud Docker Hub 배포 스크립트
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set -e
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# 색상 정의
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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NC='\033[0m' # No Color
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# 로그 함수
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log_info() {
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echo -e "${GREEN}[INFO]${NC} $1"
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}
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log_warn() {
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echo -e "${YELLOW}[WARN]${NC} $1"
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}
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log_error() {
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echo -e "${RED}[ERROR]${NC} $1"
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}
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# 환경 변수 설정
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ENVIRONMENT=${1:-dev}
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DOCKER_USERNAME=${DOCKER_USERNAME:-your-dockerhub-username}
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DOCKER_IMAGE=${DOCKER_IMAGE:-$DOCKER_USERNAME/blockcloud-backend}
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EC2_HOST=${EC2_HOST:-your-ec2-host}
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EC2_USERNAME=${EC2_USERNAME:-ubuntu}
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log_info "🚀 BlockCloud Docker Hub 배포 시작 (환경: $ENVIRONMENT)"
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# 1. 테스트 실행
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log_info "🧪 테스트 실행 중..."
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./gradlew test
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# 2. Docker 이미지 빌드
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log_info "🐳 Docker 이미지 빌드 중..."
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docker build -t $DOCKER_IMAGE:latest .
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# 3. 이미지 태깅
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IMAGE_TAG=$(git rev-parse --short HEAD)
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docker tag $DOCKER_IMAGE:latest $DOCKER_IMAGE:$IMAGE_TAG
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log_info "📦 이미지 태그: $IMAGE_TAG"
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# 4. Docker Hub 로그인 확인
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if [ -z "$DOCKER_PASSWORD" ]; then
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log_error "DOCKER_PASSWORD 환경 변수가 설정되지 않았습니다."
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log_info "다음 명령어로 설정하세요:"
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log_info "export DOCKER_PASSWORD=your-dockerhub-password"
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exit 1
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fi
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# 5. Docker Hub에 로그인
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log_info "🔐 Docker Hub 로그인 중..."
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echo $DOCKER_PASSWORD | docker login -u $DOCKER_USERNAME --password-stdin
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# 6. 이미지 푸시
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log_info "📤 Docker Hub에 이미지 푸시 중..."
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docker push $DOCKER_IMAGE:latest
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docker push $DOCKER_IMAGE:$IMAGE_TAG
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log_info "✅ Docker Hub 푸시 완료!"
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# 7. EC2 배포 (프로덕션 환경인 경우)
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if [ "$ENVIRONMENT" = "prod" ]; then
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log_info "🖥️ EC2에 배포 중..."
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# EC2에 SSH로 접속하여 배포
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ssh -o StrictHostKeyChecking=no $EC2_USERNAME@$EC2_HOST << EOF
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# Docker Hub에서 이미지 풀
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docker pull $DOCKER_IMAGE:$IMAGE_TAG
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# 기존 컨테이너 중지 및 제거
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docker stop blockcloud-app || true
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docker rm blockcloud-app || true
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# 새 컨테이너 실행
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docker run -d \\
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--name blockcloud-app \\
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--restart unless-stopped \\
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-p 8080:8080 \\
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-e SPRING_PROFILES_ACTIVE=prod \\
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-e DB_HOST=\$DB_HOST \\
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-e DB_USERNAME=\$DB_USERNAME \\
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-e DB_PASSWORD=\$DB_PASSWORD \\
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-e JWT_SECRET=\$JWT_SECRET \\
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$DOCKER_IMAGE:$IMAGE_TAG
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# 헬스체크
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sleep 30
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if curl -f http://localhost:8080/actuator/health; then
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echo "✅ 배포 성공!"
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else
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echo "❌ 배포 실패!"
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docker logs blockcloud-app
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exit 1
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fi
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EOF
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else
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log_info "🔄 로컬 환경 배포 완료"
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fi
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log_info "✅ 배포 완료!"
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log_info "📊 이미지: $DOCKER_IMAGE:$IMAGE_TAG"
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log_info "🔗 Docker Hub: https://hub.docker.com/r/$DOCKER_USERNAME/blockcloud-backend"

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