将 Docker Scout 与 GitLab CI/CD 集成

docker-build:
  image: docker:latest
  stage: build
  services:
    - docker:dind
  before_script:
    - docker login -u "$CI_REGISTRY_USER" -p "$CI_REGISTRY_PASSWORD" $CI_REGISTRY

    # Install curl and the Docker Scout CLI
    - |
      apk add --update curl
      curl -sSfL https://raw.githubusercontent.com/docker/scout-cli/main/install.sh | sh -s -- 
      apk del curl 
      rm -rf /var/cache/apk/*      
    # Login to Docker Hub required for Docker Scout CLI
    - echo "$DOCKER_HUB_PAT" | docker login -u "$DOCKER_HUB_USER" --password-stdin

script:
  - |
    if [[ "$CI_COMMIT_BRANCH" == "$CI_DEFAULT_BRANCH" ]]; then
      tag=""
      echo "Running on default branch '$CI_DEFAULT_BRANCH': tag = 'latest'"
    else
      tag=":$CI_COMMIT_REF_SLUG"
      echo "Running on branch '$CI_COMMIT_BRANCH': tag = $tag"
    fi    
  - docker build --pull -t "$CI_REGISTRY_IMAGE${tag}" .
  - |
    if [[ "$CI_COMMIT_BRANCH" == "$CI_DEFAULT_BRANCH" ]]; then
      # Get a CVE report for the built image and fail the pipeline when critical or high CVEs are detected
      docker scout cves "$CI_REGISTRY_IMAGE${tag}" --exit-code --only-severity critical,high    
    else
      # Compare image from branch with latest image from the default branch and fail if new critical or high CVEs are detected
      docker scout compare "$CI_REGISTRY_IMAGE${tag}" --to "$CI_REGISTRY_IMAGE:latest" --exit-code --only-severity critical,high --ignore-unchanged
    fi    

  - docker push "$CI_REGISTRY_IMAGE${tag}"

rules:
  - if: $CI_COMMIT_BRANCH
    exists:
      - Dockerfile