[WIP] [Feat] Docker를 통한 CI/CD 설정

.github/workflows/docker-deploy.yml

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+# 워크플로우의 이름
+name: Deploy Next.js to Server With Docker Image
+
+# 워크플로우가 실행될 조건
+on:
+  pull_request:
+    branches: ['main', 'develop']
+  workflow_dispatch:
+
+# 실행될 작업들
+jobs:
+  build-and-deploy:
+    # 작업이 실행될 환경
+    runs-on: ubuntu-latest
+
+    # 작업의 단계들
+    steps:
+      # 1. 코드 체크아웃
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      # 3. Docker Hub 로그인
+      # GitHub Secrets에 DOCKERHUB_USERNAME와 DOCKERHUB_TOKEN를 등록해야 합니다.
+      - name: Docker Hub 로그인
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      # 2. Docker Buildx 설정 (멀티-플랫폼 빌드 지원)
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      # 4. Docker 이미지 빌드 및 푸시
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          file: ./scripts/docker/Dockerfile
+          push: true
+          tags: ${{ secrets.DOCKERHUB_USERNAME }}/${{ secrets.DOCKER_REPOSITORY_NAME}}:latest
+
+      # 5. SSH를 통해 서버에 배포
+      # GitHub Secrets에 DEPLOY_HOST, DEPLOY_USERNAME, DEPLOY_KEY, DEPLOY_PORT를 등록해야 합니다.
+      - name: SSH 접속 및 스크립트 실행
+        uses: appleboy/ssh-action@v1
+        with:
+          host: ${{ secrets.SERVER_SSH_HOST }}
+          username: ${{ secrets.SERVER_SSH_USERNAME }}
+          key: ${{ secrets.SERVER_SSH_PRIVATE_KEY }}
+          port: ${{ secrets.SERVER_SSH_PORT }}
+          script: |
+            docker stop ${{ secrets.SERVER_DOCKER_CONTAINER_NAME }} || true
+            docker rm ${{ secrets.SERVER_DOCKER_CONTAINER_NAME }} || true
+            docker pull ${{ secrets.DOCKERHUB_USERNAME }}/${{ secrets.DOCKER_REPOSITORY_NAME}}:latest
+            docker run -d -p ${{ secrets.DOCKER_HOST_PORT }}:${{ secrets.DOCKER_CONTAINER_PORT }} --name ${{ secrets.SERVER_DOCKER_CONTAINER_NAME }} --restart always ${{ secrets.DOCKERHUB_USERNAME }}/${{ secrets.DOCKER_REPOSITORY_NAME}}:latest

scripts/docker/Dockerfile

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+FROM node:24-alpine AS builder
+WORKDIR /app
+
+RUN corepack enable && corepack prepare pnpm@latest --activate
+
+COPY package*.json pnpm-lock.yaml ./
+RUN pnpm install --frozen-lockfile
+COPY . .
+RUN pnpm run build
+
+FROM node:24-alpine
+WORKDIR /app
+
+RUN corepack enable && corepack prepare pnpm@latest --activate
+
+COPY --from=builder /app/.next ./.next
+COPY --from=builder /app/node_modules ./node_modules
+COPY --from=builder /app/package.json ./package.json
+COPY --from=builder /app/public ./public
+
+EXPOSE 3000
+
+CMD ["pnpm", "start"]