docker-ci.yml

name: Docker CI

on:
  schedule:
    - cron: "28 19 * * *"
  pull_request:
    branches: ["main"]

env:
  # Use docker.io for Docker Hub if empty
  REGISTRY: ghcr.io
  # github.repository as <account>/<repo>
  IMAGE_NAME: ${{ github.repository }}

jobs:
  docker-ci:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
      security-events: write # for github/codeql-action/upload-sarif to upload SARIF results
      # This is used to complete the identity challenge
      # with sigstore/fulcio when running outside of PRs.
      id-token: write

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

      - name: Setup Docker buildx
        uses: docker/setup-buildx-action@v2

      # Login against a Docker registry except on PR
      # https://github.com/docker/login-action
      - name: Log into registry ${{ env.REGISTRY }}
        if: github.event_name != 'pull_request'
        uses: docker/login-action@7840e6ddd4a9223910798f6a315544257fccd96e
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      # Extract metadata (tags, labels) for Docker
      # https://github.com/docker/metadata-action
      - name: Extract Docker metadata
        id: meta
        uses: docker/metadata-action@2ee3d3070bb41b40bf7305d15233321e12c1dc5c
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}

      # Build and push Docker image with Buildx (don't push on PR)
      # https://github.com/docker/build-push-action
      - name: Build and push Docker image
        id: build-and-push
        uses: docker/build-push-action@ca052bb54ab0790a636c9b5f226502c73d547a25
        with:
          context: .
          load: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}

      - name: Run Trivy vulnerability scanner
        uses: aquasecurity/trivy-action@841fb371db7b5cd339e5b2d55c92f5dbd730ac9f
        with:
          image-ref: ${{ steps.meta.outputs.tags }}
          format: "sarif"
          output: "trivy-results.sarif"
          severity: "CRITICAL,HIGH"

      - uses: hadolint/hadolint-action@v3.1.0