ci-cd.yml

name: Reservation Service CI/CD

on:
  push:
    branches: [main]
  pull_request:
    branches: [main]
  workflow_dispatch:

env:
  JAVA_VERSION: '17'
  MAVEN_CLI_OPTS: '-B --no-transfer-progress'
  DOCKER_IMAGE_NAME: reservation-service
  REGISTRY: docker.io

jobs:
  # Job 1: Code Quality & Security
  code-quality:
    name: Code Quality & Security Checks
    runs-on: ubuntu-latest
    
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0  # Shallow clones should be disabled for better analysis

      - name: Set up JDK ${{ env.JAVA_VERSION }}
        uses: actions/setup-java@v4
        with:
          java-version: ${{ env.JAVA_VERSION }}
          distribution: 'temurin'
          cache: 'maven'

      - name: Cache SonarCloud packages
        uses: actions/cache@v3
        with:
          path: ~/.sonar/cache
          key: ${{ runner.os }}-sonar
          restore-keys: ${{ runner.os }}-sonar

      - name: Run code style checks
        run: mvn ${{ env.MAVEN_CLI_OPTS }} checkstyle:check
        continue-on-error: true

      - name: Run SpotBugs analysis
        run: mvn ${{ env.MAVEN_CLI_OPTS }} compile spotbugs:check
        continue-on-error: true

  # Job 2: Build
  build:
    name: Build
    runs-on: ubuntu-latest
    needs: code-quality

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Set up JDK ${{ env.JAVA_VERSION }}
        uses: actions/setup-java@v4
        with:
          java-version: ${{ env.JAVA_VERSION }}
          distribution: 'temurin'
          cache: 'maven'

      - name: Build with Maven
        run: mvn ${{ env.MAVEN_CLI_OPTS }} clean compile

      - name: Package application
        run: mvn ${{ env.MAVEN_CLI_OPTS }} package -DskipTests

      - name: Upload build artifact
        uses: actions/upload-artifact@v4
        with:
          name: reservation-service-jar
          path: target/*.jar
          retention-days: 5

  # Job 3: Docker Build & Push
  docker-build-push:
    name: Build & Push Docker Image
    runs-on: ubuntu-latest
    needs: build
    if: github.event_name == 'push'
    permissions:
      contents: read
      packages: write
    
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

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

      - name: Extract metadata for Docker
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ secrets.DOCKER_HUB_USERNAME }}/${{ env.DOCKER_IMAGE_NAME }}
          tags: |
            type=ref,event=branch
            type=ref,event=pr
            type=sha,prefix={{branch}}-
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=raw,value=latest,enable={{is_default_branch}}

      - name: Build and push Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          file: ./Dockerfile
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max
          platforms: linux/amd64,linux/arm64

  # Job 4: Security Scan
  security-scan:
    name: Security Vulnerability Scan
    runs-on: ubuntu-latest
    needs: docker-build-push
    if: github.event_name == 'push'
    permissions:
      contents: read
      security-events: write
    
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

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

      - name: Run Trivy vulnerability scanner
        uses: aquasecurity/trivy-action@master
        with:
          image-ref: ${{ secrets.DOCKER_HUB_USERNAME }}/${{ env.DOCKER_IMAGE_NAME }}:${{ github.sha }}
          format: 'sarif'
          output: 'trivy-results.sarif'
          severity: 'CRITICAL,HIGH'

      - name: Upload Trivy results to GitHub Security
        uses: github/codeql-action/upload-sarif@v3
        if: always()
        with:
          sarif_file: 'trivy-results.sarif'

      - name: Dependency Check
        uses: dependency-check/Dependency-Check_Action@main
        with:
          project: 'reservation-service'
          path: '.'
          format: 'HTML'
          args: >
            --failOnCVSS 7
            --enableRetired

      - name: Upload Dependency Check report
        uses: actions/upload-artifact@v4
        if: always()
        with:
          name: dependency-check-report
          path: reports/

  # Job 5: Deploy to Development
  deploy-dev:
    name: Deploy to Development
    runs-on: ubuntu-latest
    needs: [docker-build-push, security-scan]
    if: github.ref == 'refs/heads/dev' || github.ref == 'refs/heads/dev-update'
    environment:
      name: development
      url: https://dev-reservation-service.exhibitflow.com
    
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Deploy to Development Server
        uses: appleboy/ssh-action@v1.0.0
        with:
          host: ${{ secrets.DEV_SERVER_HOST }}
          username: ${{ secrets.DEV_SERVER_USER }}
          key: ${{ secrets.DEV_SERVER_SSH_KEY }}
          port: ${{ secrets.DEV_SERVER_PORT }}
          script: |
            cd /opt/reservation-service
            docker compose pull
            docker compose up -d
            docker system prune -f

      - name: Verify deployment
        run: |
          sleep 10
          curl -f ${{ secrets.DEV_SERVER_URL }}/actuator/health || exit 1