Create cd.yml

Author: JangDongHo

.github/workflows/cd.yml

@@ -0,0 +1,56 @@
+name: Deploy to GCP
+
+on:
+  push:
+    branches:
+      - main
+    paths-ignore:
+      - '.github/workflows/**'
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    permissions:
+      id-token: write
+      contents: read
+    steps:
+      - uses: actions/checkout@v4
+
+      # CI에서 생성한 JAR 파일 다운로드
+      - name: Download JAR Artifact
+        uses: actions/download-artifact@v4
+        with:
+          name: application-jar
+          path: build/libs/
+
+      - name: Login to DockerHub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+
+      - name: Build & Push Docker Image
+        uses: docker/build-push-action@v6
+        with:
+          push: true
+          context: .
+          tags: ${{ secrets.DOCKER_USERNAME }}/${{ secrets.DOCKER_IMAGE_NAME }}:latest
+
+      - name: Authenticate to GCP
+        uses: google-github-actions/auth@v2
+        with:
+          workload_identity_provider: ${{ secrets.WORKLOAD_IDENTITY_PROVIDER }}
+          service_account: ${{ secrets.SERVICE_ACCOUNT_EMAIL }}
+
+      - name: Deploy to GCP Compute Engine
+        uses: google-github-actions/ssh-compute@v1
+        with:
+          instance_name: ${{ secrets.GCP_INSTANCE_NAME }}
+          zone: ${{ secrets.GCP_INSTANCE_ZONE }}
+          ssh_private_key: ${{ secrets.GCP_SSH_PRIVATE_KEY }}
+          command: |
+            cd /app/${{ github.repository }}
+            sudo curl -o docker-compose.yml https://raw.githubusercontent.com/${{ github.repository }}/main/docker-compose.yml
+            sudo docker-compose down
+            sudo docker-compose up -d ${{ secrets.DOCKER_IMAGE_NAME }}
+            sudo docker image prune -a -f