docker-multiarch-build.yml

name: CI/CD Pipeline

on:
  schedule:
    - cron: '0 1 * * *'  # Daily security scans
  push:
    tags:
      - "[1-9]+.[0-9]+.[0-9]+"
    branches: [ "main" ]
  pull_request:
    branches: [ "main" ]

# Top-level permissions used as default for all jobs
permissions:
  contents: write
  packages: write
  issues: write
  pull-requests: write
  security-events: write    # Required for uploading Trivy scan results

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

jobs:
  security-scan:
    runs-on: ubuntu-latest
    # Job-specific permissions override - this job only needs security-events
    permissions:
      security-events: write    # Required for github/codeql-action/upload-sarif
      contents: read           # Required for actions/checkout
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Run Trivy vulnerability scanner
        uses: aquasecurity/trivy-action@master
        with:
          scan-type: 'fs'
          scan-ref: '.'
          format: 'sarif'
          output: 'trivy-results.sarif'
          ignore-unfixed: true
          severity: 'CRITICAL,HIGH'

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

  lint:
    runs-on: ubuntu-latest
    permissions:
      contents: read    # Only needs read access for checkout
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Run hadolint
        uses: hadolint/hadolint-action@v3.1.0
        with:
          dockerfile: Dockerfile

      - name: Run shellcheck
        uses: ludeeus/action-shellcheck@master
        with:
          scandir: './scripts'

  build-and-push:
    needs: [security-scan, lint]
    runs-on: ubuntu-latest
    permissions:
      contents: write   # Changed from 'read' to 'write' for changelog commits
      packages: write   # For pushing to GHCR
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

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

      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: |
            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
            docker.io/${{ env.IMAGE_NAME }}
          tags: |
            type=semver,pattern={{version}}
            type=sha,format=long
            type=ref,event=branch
            type=ref,event=pr

      - name: Login to GitHub Container Registry
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Login to Docker Hub
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Build and push
        uses: docker/build-push-action@v6
        with:
          context: .
          platforms: linux/amd64,linux/arm64
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max

      - name: Generate changelog
        if: github.event_name != 'pull_request'
        uses: orhun/git-cliff-action@v4
        id: git-cliff
        with:
          config: cliff.toml
          args: --verbose --tag ${{ steps.meta.outputs.version }}
        env:
          OUTPUT: CHANGELOG.md

      - name: Commit and push changelog
        if: github.event_name != 'pull_request'
        uses: stefanzweifel/git-auto-commit-action@v5
        with:
          commit_message: 'docs: update changelog for ${{ steps.meta.outputs.version }}'
          file_pattern: CHANGELOG.md
          branch: main
          push_options: '--force'

  notify:
    needs: build-and-push
    runs-on: ubuntu-latest
    if: always()
    permissions:
      issues: write         # Required for creating issue comments
      pull-requests: write  # Required for creating PR comments
    steps:
      - name: Notify status
        uses: actions/github-script@v7
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            const { repo, owner } = context.repo;
            const run_id = context.runId;
            const run_url = `https://github.com/${owner}/${repo}/actions/runs/${run_id}`;
            const status = '${{ needs.build-and-push.result }}' === 'success' ? '✅' : '❌';
            
            if (context.issue.number) {
              await github.rest.issues.createComment({
                owner,
                repo,
                issue_number: context.issue.number,
                body: `Build status: ${status}\nDetails: ${run_url}`
              });
            }