docker-build.yml

name: Build and Push Multi-Platform Java Images

on:
  workflow_dispatch:
    inputs:
      push:
        description: 'Push images to Docker Hub'
        required: false
        default: false
        type: boolean
      java_versions:
        description: 'Java versions to build (space-separated, default: 8 11 17 21 25)'
        required: false
        default: '8 11 17 21 25'
        type: string

env:
  REGISTRY: docker.io
  REPO_NAME: infotechsoft/java

jobs:
  setup:
    runs-on: ubuntu-latest
    outputs:
      java_versions: ${{ steps.parse.outputs.java_versions }}
    steps:
      - name: Parse Java versions
        id: parse
        run: |
          VERSIONS="${{ inputs.java_versions || '8 11 17 21 25' }}"
          JSON_ARRAY=$(echo "$VERSIONS" | tr ' ' '\n' | jq -R . | jq -s . | tr -d '\n')
          echo "java_versions=$JSON_ARRAY" >> $GITHUB_OUTPUT

  build:
    needs: setup
    runs-on: ubuntu-latest
    strategy:
      matrix:
        java_version: ${{ fromJson(needs.setup.outputs.java_versions) }}
        java_dist: [jdk, jre]
      fail-fast: false
    
    steps:
      - name: Checkout repository
        uses: actions/checkout@v6
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
      
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3
        with:
          platforms: linux/amd64,linux/arm64
      
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
        with:
          platforms: linux/amd64,linux/arm64
      
      - name: Login to Docker Hub
        if: inputs.push
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}
      
      - name: Determine tags
        id: tags
        run: |
          MAJOR_VERSION=${{ matrix.java_version }}
          JAVA_DIST=${{ matrix.java_dist }}
          
          if [ "$JAVA_DIST" = "jdk" ]; then
            TAGS="${REPO_NAME}:${MAJOR_VERSION},${REPO_NAME}:${MAJOR_VERSION}-jdk,${REPO_NAME}:zulu-${MAJOR_VERSION}-jdk"
          else
            TAGS="${REPO_NAME}:${MAJOR_VERSION}-jre,${REPO_NAME}:zulu-${MAJOR_VERSION}-jre"
          fi
          
          echo "tags=${TAGS}" >> $GITHUB_OUTPUT
          echo "base_tag=${REPO_NAME}:${MAJOR_VERSION}" >> $GITHUB_OUTPUT
      
      - name: Build and push
        uses: docker/build-push-action@v6
        with:
          context: .
          platforms: linux/amd64,linux/arm64
          push: ${{ inputs.push }}
          tags: ${{ steps.tags.outputs.tags }}
          build-args: |
            MAJOR_VERSION=${{ matrix.java_version }}
            JAVA_VERSION=
            JAVA_DIST=${{ matrix.java_dist }}
          provenance: true
          sbom: true
          cache-from: type=gha
          cache-to: type=gha,mode=max
      
      - name: Generate CVE report
        id: scout
        if: inputs.push && matrix.java_dist == 'jdk'
        uses: docker/scout-action@v1
        with:
          command: cves
          image: ${{ steps.tags.outputs.base_tag }}
      
      - name: Update CVE reports
        if: inputs.push && matrix.java_dist == 'jdk'
        run: |
          echo "${{ steps.scout.outputs.cves }}" > reports/java-${{ matrix.java_version }}-cves.md
      
      - name: Upload CVE report artifact
        if: inputs.push && matrix.java_dist == 'jdk'
        uses: actions/upload-artifact@v6
        with:
          name: cve-reports-java-${{ matrix.java_version }}
          path: reports/java-${{ matrix.java_version }}-cves.md
          retention-days: 1

  commit-reports:
    needs: build
    runs-on: ubuntu-latest
    if: inputs.push
    permissions:
      contents: write
    steps:
      - name: Checkout repository
        uses: actions/checkout@v6
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
      
      - name: Download all CVE report artifacts
        uses: actions/download-artifact@v7
        with:
          path: reports
          pattern: cve-reports-java-*
          merge-multiple: true
      
      - name: Commit all CVE reports
        uses: stefanzweifel/git-auto-commit-action@v5
        with:
          commit_message: "chore: Update CVE reports for all Java versions"
          file_pattern: 'reports/*.md'