nextjs-prod-CD.yml

name: NextJS CD
on:
  release:
    types: [created]

env:
  KCR_REGISTRY: dkation.kr-central-2.kcr.dev
  KCR_REPOSITORY: dkation-prod-front/dkation-prod-fe
  ACCESS_KEY: ${{ secrets.ACCESS_KEY }}
  ACCESS_SECRET_KEY: ${{ secrets.ACCESS_SECRET_KEY }}

jobs:
  deploy:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v2
        with:
          fetch-depth: 0

      - name: Get release tag or commit hash
        id: get_version
        run: |
          if [[ ${{ github.event_name }} == 'release' ]]; then
            echo "version=${{ github.event.release.tag_name }}" >> $GITHUB_OUTPUT
          else
            git fetch --tags
            latest_tag=$(git describe --tags --abbrev=0)
            echo "version=$latest_tag" >> $GITHUB_OUTPUT
          fi

      - name: Deploy to FE
        uses: appleboy/ssh-action@master
        with:
          host: ${{ secrets.BASTION_IP }}
          username: ${{ secrets.USER }}
          key: ${{ secrets.SSH_KEY }}
          script: |
            mkdir -p ~/.ssh
            echo "${{ secrets.SSH_KEY }}" > ~/.ssh/id_rsa
            chmod 600 ~/.ssh/id_rsa

            IFS=',' read -r -a HOSTS <<< "${{ secrets.WEB_IPS }}"
            KCR_REGISTRY="${{ env.KCR_REGISTRY }}"
            KCR_REPOSITORY="${{ env.KCR_REPOSITORY }}"
            VERSION="${{ steps.get_version.outputs.version }}"
            AK="${{ env.ACCESS_KEY }}"
            SK="${{ env.ACCESS_SECRET_KEY }}"

            for host in "${HOSTS[@]}"
            do
              echo "Deploying to $host"
              ssh -i ~/.ssh/id_rsa -o StrictHostKeyChecking=no ${{ secrets.USER }}@$host << EOF
                set -e

                echo "Stopping and removing existing containers"
                docker ps --format '{{.ID}} {{.Image}}' | grep '$KCR_REGISTRY/$KCR_REPOSITORY' | awk '{print \$1}' | xargs -r docker stop
                docker ps -a --format '{{.ID}} {{.Image}}' | grep '$KCR_REGISTRY/$KCR_REPOSITORY' | awk '{print \$1}' | xargs -r docker rm

                echo "Removing old Docker images"
                docker images --format '{{.Repository}}:{{.Tag}}' | grep '$KCR_REGISTRY/$KCR_REPOSITORY' | xargs -r docker rmi

                echo "Docker login"
                echo "$SK" | docker login $KCR_REGISTRY -u "$AK" --password-stdin

                echo "Pulling new Docker image"
                docker pull $KCR_REGISTRY/$KCR_REPOSITORY:$VERSION

                echo "Running new Docker container"
                docker run -d -p 80:3000 --name dkation-frontend $KCR_REGISTRY/$KCR_REPOSITORY:$VERSION

                echo "Checking container health"
                max_retries=5
                retries=0
                until docker ps | grep dkation-frontend | grep -q "Up" || [ \$retries -eq \$max_retries ]
                do
                  echo "Waiting for container to be healthy..."
                  sleep 5
                  retries=\$((retries+1))
                done

                if [ \$retries -eq \$max_retries ]; then
                  echo "Container failed to start properly"
                  exit 1
                fi

                echo "Container is up and running"
            EOF

              if [ $? -ne 0 ]; then
                echo "Deployment to $host failed"
                exit 1
              fi

              echo "Deployment completed successfully"
            done