docker-test.yml

name: Scan Docker image

on:
  push:
    branches: main

jobs:
  scan:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        image: [
          "web",
          "api"
        ]
    outputs:
      image: ${{ steps.build.outputs.imageid }}
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

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

      - name: Build docker image
        uses: docker/build-push-action@v6
        id: build
        with:
          secrets: github_token=${{ secrets.GITHUB_TOKEN }}
          load: true
          file: './Dockerfile.${{ matrix.image }}'
          cache-from: type=gha
          cache-to: type=gha
          push: false

      - name: Export docker image as tar
        run: docker save -o Dockerfile.${{ matrix.image }}.tar ${{ steps.build.outputs.imageid }}

      - name: Scan Docker image for CVEs
        uses: aquasecurity/trivy-action@0.29.0
        with:
          input: Dockerfile.${{ matrix.image }}.tar
          format: 'sarif'
          output: 'trivy-results.sarif'
          limit-severities-for-sarif: true
          ignore-unfixed: true
          severity: 'CRITICAL,HIGH'
          github-pat: ${{ secrets.GITHUB_TOKEN }}

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