trivy.yaml

# A workflow that runs Trivy to scan the action Docker image

name: Trivy workflow

on:
  pull_request:
    branches: [ "main" ]
  schedule:
    - cron: '43 12 * * 0'
  workflow_dispatch:

env:
  BRANCH_NAME: ${{ github.ref_name }}

permissions:
  contents: read

jobs:
  trivy:
    permissions:
      contents: read # for actions/checkout to fetch code
      security-events: write # for github/codeql-action/upload-sarif to upload SARIF results
      actions: read # only required for a private repository by github/codeql-action/upload-sarif to get the Action run status
    name: Build
    runs-on: ubuntu-latest
    steps:
      - name: Harden Runner
        uses: step-security/harden-runner@a4aa98b93cab29d9b1101a6143fb8bce00e2eac4 # v2.7.1
        with:
          disable-sudo: false
          egress-policy: block
          disable-telemetry: false
          allowed-endpoints: >
            api.github.com:443
            auth.docker.io:443
            deb.debian.org:80
            docker.io:443
            ghcr.io:443
            github.com:443
            pkg-containers.githubusercontent.com:443
            production.cloudflare.docker.com:443
            registry-1.docker.io:443
            registry.npmjs.org:443
            y2oiacprodeus2file6.blob.core.windows.net

      # Cache directory for trivy
      - uses: actions/cache@0c45773b623bea8c8e75f6c82b208c3cf94ea4f9 # v4.0.2
        with:
          path: .trivy
          key: ${{ runner.os }}-trivy-${{ github.run_id }}
          restore-keys: |
            ${{ runner.os }}-trivy-

      - name: Checkout code
        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7

      - name: Build an image from Dockerfile
        run: |
          docker build -t trivy-scan-image .

      - name: Run Trivy vulnerability scanner
        uses: aquasecurity/trivy-action@b2933f565dbc598b29947660e66259e3c7bc8561 # 0.20.0
        with:
          scan-type: image
          image-ref: "trivy-scan-image"
          format: 'sarif'
          output: 'trivy-results.sarif'
          severity: 'CRITICAL,HIGH'
          cache-dir: .trivy
          exit-code: "1" # change to 1, if you want the build to break
          ignore-unfixed: true
          vuln-type: 'os,library'

      # https://github.com/aquasecurity/trivy-action/issues/12 for an explanation
      - name: Correct Trivy cache permissions
        # shellcheck disable=all
        if: always()
        continue-on-error: true
        run: |
          sudo chown -R "$USER":"$GROUP" .trivy
          echo $?

      - name: Upload Trivy scan results to GitHub Security tab
        if: always()
        uses: github/codeql-action/upload-sarif@4dd16135b69a43b6c8efb853346f8437d92d3c93 # v3.26.6
        with:
          sarif_file: 'trivy-results.sarif'

      - name: Upload Trivy report as attachment
        if: always()
        uses: actions/upload-artifact@v4
        with:
          name: trivy results SARIF
          path: 'trivy-results.sarif'