scan-dockerfiles-with-trivy.yml

name: scan-dockerfiles-with-trivy

# Define when the workflow should be triggered.
on:
  # Trigger the workflow on the following events:

  # Scan changed files in Pull Requests (diff-aware scanning).
  pull_request: {}

  # Trigger the workflow on-demand through the GitHub Actions interface.
  workflow_dispatch: {}

  # Scan mainline branches (main and development) and report all findings.
  push:
    branches: ["development"]

jobs:
  build:
    name: Run Trivy on Dockerfile
    
    runs-on: ubuntu-latest
    
    # Define permissions for specific actions
    permissions:
      actions: read
      contents: read
      security-events: write

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

      - name: Run Trivy vulnerability scanner in IaC mode
        uses: aquasecurity/trivy-action@master
        with:
          scan-type: 'config'
          hide-progress: false
          format: 'sarif'
          output: 'dockerfile-trivy-scan-results.sarif'
          exit-code: '0'
          ignore-unfixed: true
          severity: 'CRITICAL,HIGH,MEDIUM'

      - name: View Results
        run: cat dockerfile-trivy-scan-results.sarif

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