deploy.yml

name: BlackFriday CI/CD

on:
  push:
    branches:
      - 'feature/**'
      - 'main'
    paths-ignore:
      - '**.md'
      - 'docs/**'
      - '.gitignore'
  pull_request:
    branches: [ main ]
    paths-ignore:
      - '**.md'
      - 'docs/**'
      - '.gitignore'

jobs:
  test:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Set up JDK 17
        uses: actions/setup-java@v4
        with:
          java-version: '17'
          distribution: 'temurin'
          cache: 'gradle'

      - name: Grant execute permission for gradlew
        run: chmod +x gradlew

      - name: Test with Gradle
        run: ./gradlew test

  build-and-push:
    needs: test
    if: github.ref == 'refs/heads/main'
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Set up JDK 17
        uses: actions/setup-java@v4
        with:
          java-version: '17'
          distribution: 'temurin'
          cache: 'gradle'

      - name: Login to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKER_HUB_USERNAME }}
          password: ${{ secrets.DOCKER_HUB_TOKEN }}

      - name: Build and Push with Jib
        run: |
          ./gradlew jib \
            -Djib.to.image=docker.io/${{ secrets.DOCKER_HUB_USERNAME }}/blackfriday-app \
            -Djib.to.tags=latest,${{ github.sha }}

  deploy-blue:
    needs: build-and-push
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Copy docker-compose files
        uses: appleboy/scp-action@master
        with:
          host: ${{ secrets.NCP_BLUE_HOST }}
          username: root
          key: ${{ secrets.NCP_SSH_PRIVATE_KEY }}
          source: "docker-compose.yml"
          target: "/app"

      - name: Deploy to Blue Server
        uses: appleboy/ssh-action@master
        with:
          host: ${{ secrets.NCP_BLUE_HOST }}
          username: root
          key: ${{ secrets.NCP_SSH_PRIVATE_KEY }}
          script: |
            cd /app
            docker compose down
            docker pull docker.io/${{ secrets.DOCKER_HUB_USERNAME }}/blackfriday-app:${{ github.sha }}
            DOCKER_IMAGE=${{ secrets.DOCKER_HUB_USERNAME }}/blackfriday-app:${{ github.sha }} \
            MYSQL_DATABASE=${{ secrets.MYSQL_DATABASE }} \
            MYSQL_USER=${{ secrets.MYSQL_USER }} \
            MYSQL_PASSWORD=${{ secrets.MYSQL_PASSWORD }} \
            docker compose up -d

      - name: Health Check Blue
        run: |
          for i in {1..10}; do
            if curl -s -f http://${{ secrets.NCP_BLUE_HOST }}:8080/actuator/health; then
              echo "Health check passed"
              exit 0
            fi
            echo "Attempt $i failed. Retrying..."
            sleep 30
          done
          echo "Health check failed after 10 attempts"
          exit 1

  deploy-green:
    needs: deploy-blue
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Copy docker-compose files
        uses: appleboy/scp-action@master
        with:
          username: root
          key: ${{ secrets.NCP_SSH_PRIVATE_KEY }}
          source: "docker-compose.yml"
          target: "/app"

      - name: Deploy to Green Server
        uses: appleboy/ssh-action@master
        with:
          host: ${{ secrets.NCP_GREEN_HOST }}
          username: root
          key: ${{ secrets.NCP_SSH_PRIVATE_KEY }}
          script: |
            cd /app
            docker compose down
            docker pull docker.io/${{ secrets.DOCKER_HUB_USERNAME }}/blackfriday-app:${{ github.sha }}
            DOCKER_IMAGE=${{ secrets.DOCKER_HUB_USERNAME }}/blackfriday-app:${{ github.sha }} \
            MYSQL_DATABASE=${{ secrets.MYSQL_DATABASE }} \
            MYSQL_USER=${{ secrets.MYSQL_USER }} \
            MYSQL_PASSWORD=${{ secrets.MYSQL_PASSWORD }} \
            docker compose up -d