docker-image

Mondoo Docker Action

A GitHub Action for using Mondoo to check for vulnerabilities and misconfigurations in your Docker container images.

Properties

The Mondoo Docker Image Action has properties which are passed to the underlying image. These are passed to the action using with.

Property	Required	Default	Description
image	true		Docker image ID or name:tag to scan.
log-level	false	info	Sets the log level: error, warn, info, debug, trace (default "info")
output	false	compact	Set the output format for scan results: compact, yaml, json, junit, csv, summary, full, report (default "compact")
score-threshold	false	0	Sets the score threshold for scans. Scores that fall below the threshold will exit 1. (default "0" - job continues regardless of the score returned by a scan).
service-account-credentials	false		Base64 encoded service account credentials used to authenticate with Mondoo Platform. You can also use the environment variable mentioned below.

Additionally, you need to specify the service account credentials as an environment variable.

Environment	Required	Default	Description
MONDOO_CONFIG_BASE64	true		Base64 encoded service account credentials used to authenticate with Mondoo Platform

You can use the Action as follows:

Docker build scan and push to GHCR.io

The following example uses the Docker build-push-action to build a Docker container, scan the built container with Mondoo, and then push to ghcr.io. Use the score-threshold property to ensure builds meet security requirements before publishing.

name: docker-build-scan-push

on:
  push:

env:
  APP: myapp
  VERSION: 0.1.0

jobs:
  docker-build-scan-push:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v3
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v2
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2
      - name: Login to GHCR.io
        uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GHCR_TOKEN }}
      - name: Build and export to Docker
        uses: docker/build-push-action@v3
        with:
          context: .
          load: true
          tags: |
            ghcr.io/${{github.repository_owner}}/${{env.APP}}:latest
            ghcr.io/${{github.repository_owner}}/${{env.APP}}:${{env.VERSION}}
          secrets: GIT_AUTH_TOKEN=${{ secrets.GIT_AUTH_TOKEN }}
      - name: Scan Docker Image
        uses: mondoohq/actions/[email protected]
        env:
          MONDOO_CONFIG_BASE64: ${{ secrets.MONDOO_SERVICE_ACCOUNT }}
        with:
          image: ghcr.io/${{github.repository_owner}}/${{env.APP}}:latest
      - name: Build and push
        uses: docker/build-push-action@v3
        with:
          context: .
          tags: |
            ghcr.io/${{github.repository_owner}}/${{env.APP}}:latest
            ghcr.io/${{github.repository_owner}}/${{env.APP}}:${{env.VERSION}}
          push: ${{ github.ref == 'refs/heads/main' }}

      - name: Image Digest
        run: echo ${{ steps.docker_build.outputs.digest }}