chore: ec2 + docker 배포 세팅

.env.example

@@ -0,0 +1,4 @@
+PORT=
+DATABASE_URL=
+MONGODB_URL=
+REDIS_HOST=

.github/workflows/deploy.yaml

@@ -0,0 +1,63 @@
+name: Docker CI/CD Pipeline
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - develop
+
+jobs:
+  build-and-push:
+    name: 도커 이미지화
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: 리포지토리 코드 체크아웃
+        uses: actions/checkout@v3
+
+      - name: Docker Buildx 설정
+        uses: docker/setup-buildx-action@v2
+
+      - name: Docker Hub 로그인
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKER_HUB_USERNAME }}
+          password: ${{ secrets.DOCKER_HUB_ACCESS_TOKEN }}
+
+      - name: Docker 이미지 빌드 및 푸시
+        uses: docker/build-push-action@v4
+        with:
+          context: ./
+          file: ./Dockerfile
+          push: true
+          tags: ${{ secrets.DOCKER_HUB_USERNAME }}/nestjs-app:${{ github.sha }}
+
+  deploy:
+    name: 서버 배포
+    needs: build-and-push
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Configure AWS Credentials
+        uses: aws-actions/configure-aws-credentials@v2
+        with:
+          aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
+          aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
+          aws-region: ${{ secrets.AWS_REGION }}
+
+      - name: 서버 배포 및 상태 확인
+        uses: appleboy/ssh-action@master
+        with:
+          host: ${{ secrets.SERVER_HOST }}
+          username: ${{ secrets.SERVER_USER }}
+          key: ${{ secrets.SSH_PRIVATE_KEY }}
+          script: |
+            cd /home/ubuntu 
+            docker pull ${{ secrets.DOCKER_HUB_USERNAME }}/nestjs-app:latest
+            sudo docker-compose down
+            sudo docker-compose up -d
+            docker image prune —f
+            echo "=== Docker 컨테이너 상태 ==="
+            sudo docker-compose ps

Dockerfile

@@ -1,5 +1,5 @@
 # Node.js 경량 Alpine 버전 사용
-FROM node:20-alpine
+FROM node:22-alpine
 
 # 작업 디렉토리 설정
 WORKDIR /usr/src/app