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Showing content from https://github.com/docker/scout-action below:

docker/scout-action: Docker Scout GitHub Action

GitHub Action to run the Docker Scout CLI as part of your workflows.

You can pick one of the following commands to run:

• quickview: get a quick overview of an image, base image and available recommendations
• compare: compare an image to a second one (for instance to latest)
• cves: display vulnerabilities of an image
• recommendations: display available base image updates and remediation recommendations
• sbom: generate the SBOM of the image
• environment: record an image to an environment
• attestation-add: add attestation to an existing image

You can run one or multiple commands in the same GitHub Action run. Use a comma separated list to run several commands.

• quickview
• compare
• cves
• recommendations
• sbom
• environment

The commands will be run in the order of the value, and will share the same parameters.

For instance, if you built an image and want to display a quickview as well as to compare it against the latest indexed one, set the action as following:

command: quickview,compare
image: ${{ steps.meta.outputs.tags }}
to-latest: true

To use scout features you need to be authenticated against Docker Hub.

You can use the parameters below to authenticate, or you can use the docker/login-action.

(*) If image is not set (or empty) the most recently built image, if any, will be used instead.

The image field can be prefixed to indicate the type of content to analyse. If no prefix is set, the image:// prefix is used.

Available prefixes:

• image://: optional prefix, the target is an image that first will be resolved locally then, if not found, will be resolved to the associated registry
• local://: only resolve the image from the local image store
• registry://: do not use the local image store, only use the registry
• oci-dir://: local directory to be read as an OCI directory
• archive://: image archive generated by docker save command, as a tar file
• fs://: local directory or file
• sbom:// SPDX file or in-toto attestation file with SPDX predicate or syft json SBOM file

Namespace of the Docker Organization is required to match the query with the right data.

When using environments (for instance to compare an image to the one from a defined environment, or when comparing to the latest indexed) organization parameter is required.

By default the Markdown output of the command (if supported) will be displayed as a Job Summary. This can be disabled if needed.

When triggered by a pull_request event, the output of the scout command can be written as a comment.

This behaviour is enabled by default.

By default one single comment per job step will be kept and updated at each run. If you prefer to keep previous comments but hide them, set the keep-previous-comments parameter to true.

pull-requests: write permission is required to allow the GitHub action to create the comment.

The text version of the command output will be displayed in the logs. The markdown version (if exists) of the command output will be set as an output of the step, using the command name as identifier, and will be displayed as Pull Request comment or Step Summary.

See Prefix above about the available prefixes for the to argument.

(*) One and only one needs to be defined.

The image input must be an image in your local image store or in a registry. You can use prefixes to control whether to use a local or remote image. The following prefixes are supported:

• image:// (optional)
• local://
• registry://

See Environment example

name: Docker

on:
  push:
    tags: [ "*" ]
    branches:
      - 'main'
  pull_request:
    branches: [ "**" ]

env:
  # Use docker.io for Docker Hub if empty
  REGISTRY: docker.io
  IMAGE_NAME: ${{ github.repository }}
  SHA: ${{ github.event.pull_request.head.sha || github.event.after }}
  # Use `latest` as the tag to compare to if empty, assuming that it's already pushed
  COMPARE_TAG: latest

jobs:
  build:

    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
      pull-requests: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v3
        with:
          ref: ${{ env.SHA }}

      - name: Setup Docker buildx
        uses: docker/setup-buildx-action@v2.5.0
        with:
          driver-opts: |
            image=moby/buildkit:v0.10.6

      # Login against a Docker registry except on PR
      # https://github.com/docker/login-action
      - name: Log into registry ${{ env.REGISTRY }}
        uses: docker/login-action@v2.1.0
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ secrets.DOCKER_USER }}
          password: ${{ secrets.DOCKER_PAT }}

      # Extract metadata (tags, labels) for Docker
      # https://github.com/docker/metadata-action
      - name: Extract Docker metadata
        id: meta
        uses: docker/metadata-action@v4.4.0
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          labels: |
            org.opencontainers.image.revision=${{ env.SHA }}
          tags: |
            type=edge,branch=$repo.default_branch
            type=semver,pattern=v{{version}}
            type=sha,prefix=,suffix=,format=short

      # 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@v4.0.0
        with:
          context: .
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max

      - name: Docker Scout
        id: docker-scout
        if: ${{ github.event_name == 'pull_request' }}
        uses: docker/scout-action@v1
        with:
          command: compare
          image: ${{ steps.meta.outputs.tags }}
          to: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ env.COMPARE_TAG }}
          ignore-unchanged: true
          only-severities: critical,high
          write-comment: true
          github-token: ${{ secrets.GITHUB_TOKEN }} # to be able to write the comment

For the latest built image, display:

• the vulnerabilities (ignoring the base image, only displaying vulnerabilities with a fix available)
• the available recommendations
• compare it to the latest image indexed for the same repository (only displaying unchanged packages and vulnerabilities that already have a fix)

        - name: Docker Scout
          id: docker-scout
          uses: docker/scout-action@v1
          with:
            command: cves,recommendations,compare
            to-latest: true
            ignore-base: true
            ignore-unchanged: true
            only-fixed: true

When GitHub code scanning is enabled, the sarif-file input can be used to upload the vulnerabilities to GitHub.

      - name: Analyze for critical and high CVEs
        id: docker-scout-cves
        if: ${{ github.event_name != 'pull_request_target' }}
        uses: docker/scout-action@v1
        with:
          command: cves
          image: ${{ steps.meta.outputs.tags }}
          sarif-file: sarif.output.json
          summary: true

      - name: Upload SARIF result
        id: upload-sarif
        if: ${{ github.event_name != 'pull_request_target' }}
        uses: github/codeql-action/upload-sarif@v2
        with:
          sarif_file: sarif.output.json

      - name: Build and push Docker image
        id: build-and-push
        uses: docker/build-push-action@v4.0.0
        with:
          context: .
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max

      - name: Docker Scout
        id: docker-scout-environment
        uses: docker/scout-action@v1
        with:
          command: environment
          image: ${{ steps.meta.outputs.tags }}
          environment: prod
          organization: my-docker-org

The Docker Scout CLI is licensed under the Terms and Conditions of the Docker Subscription Service Agreement.

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