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build-docker-image.yml
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name: Create and publish a Docker image
on:
push:
branches:
- main
pull_request:
branches:
- main
# Defines two custom environment variables for the workflow. These are used for the Container registry domain, and a name for the Docker image that this workflow builds.
env:
REGISTRY: ghcr.io
IMAGE_NAME: ${{ github.repository }}
# There is a single job in this workflow. It's configured to run on the latest available version of Ubuntu.
jobs:
build-and-push-image:
runs-on: ubuntu-latest
# Sets the permissions granted to the `GITHUB_TOKEN` for the actions in this job.
permissions:
contents: read
packages: write
#
steps:
- name: Checkout repository
uses: actions/checkout@v4
# Uses the `docker/login-action` action to log in to the Container registry registry using the account and password that will publish the packages. Once published, the packages are scoped to the account defined here.
- name: Log in to the Container registry
uses: docker/login-action@65b78e6e13532edd9afa3aa52ac7964289d1a9c1
with:
registry: ${{ env.REGISTRY }}
username: ${{ github.actor }}
password: ${{ secrets.GITHUB_TOKEN }}
# This step uses [docker/metadata-action](https://github.com/docker/metadata-action#about) to extract tags and labels that will be applied to the specified image. The `id` "meta" allows the output of this step to be referenced in a subsequent step. The `images` value provides the base name for the tags and labels.
- name: Extract metadata (tags, labels) for Docker
id: meta
uses: docker/metadata-action@9ec57ed1fcdbf14dcef7dfbe97b2010124a938b7
with:
images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
tags: |
type=ref,event=branch
type=ref,event=pr
type=sha
env:
DOCKER_METADATA_PR_HEAD_SHA: true
# This step uses the `docker/build-push-action` action to build the image, based on your repository's `Dockerfile`. If the build succeeds, it pushes the image to GitHub Packages.
# It uses the `context` parameter to define the build's context as the set of files located in the specified path. For more information, see "[Usage](https://github.com/docker/build-push-action#usage)" in the README of the `docker/build-push-action` repository.
# It uses the `tags` and `labels` parameters to tag and label the image with the output from the "meta" step.
- name: Build and push Docker image
uses: docker/build-push-action@f2a1d5e99d037542a71f64918e516c093c6f3fc4
with:
context: .
push: true
tags: ${{ steps.meta.outputs.tags }}
labels: ${{ steps.meta.outputs.labels }}
file: Dockerfile
container-vuln-scan:
needs: build-and-push-image
runs-on: ubuntu-latest
if:
steps:
- name: Checkout code
uses: actions/checkout@v2
- name: Extract metadata (tags, labels) for Docker
id: meta
uses: docker/metadata-action@9ec57ed1fcdbf14dcef7dfbe97b2010124a938b7
with:
images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
tags: |
type=ref,event=branch
type=ref,event=pr
type=sha
env:
DOCKER_METADATA_PR_HEAD_SHA: true
- name: Run Trivy vulnerability scanner
uses: aquasecurity/trivy-action@0.20.0
id: runscanner
continue-on-error: true
with:
image-ref: 'ghcr.io/pulibrary/imagecat-rails:${{ steps.meta.outputs.version }}'
format: 'table'
exit-code: '1'
ignore-unfixed: true
vuln-type: 'os'
severity: 'CRITICAL,HIGH'
output: 'vulnerabilities.table'
- name: Set variables
id: scanner
if: ${{ always() }}
run: |
EOF=$(dd if=/dev/urandom bs=15 count=1 status=none | base64)
echo "results<<$EOF" >> $GITHUB_OUTPUT
echo "$(cat vulnerabilities.table)" >> $GITHUB_OUTPUT
echo "$EOF" >> $GITHUB_OUTPUT
- name: Output variable
if: ${{ always() }}
env:
GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
WORKFLOW_URL: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}
run: echo "${{ steps.scanner.outputs.results }}"
- name: Find Comment for scan
if: github.event_name == 'pull_request'
uses: peter-evans/find-comment@v3
id: fc
with:
issue-number: ${{ github.event.pull_request.number }}
comment-author: 'github-actions[bot]'
body-includes: 'Container Scanning Status: '
- name: Create or update comment
if: github.event_name == 'pull_request'
uses: peter-evans/create-or-update-comment@v4
with:
comment-id: ${{ steps.fc.outputs.comment-id }}
issue-number: ${{ github.event.pull_request.number }}
body: |
## Container Scanning Status: ${{ steps.runscanner.outcome != 'success' && '❌ Failure' || '✅ Success' }}
```
${{ steps.scanner.outputs.results }}
```
edit-mode: replace
- name: Create issue
if: steps.runscanner.outcome != 'success' && github.event_name != 'pull_request'
uses: JasonEtco/create-an-issue@v2
env:
GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
WORKFLOW_URL: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}
SCANNER_OUTPUTS: ${{ steps.scanner.outputs.results }}
with:
filename: .github/failed-vuln-check.md
update_existing: true
- name: Find existing security issue
id: issues
if: steps.runscanner.outcome == 'success' && github.event_name != 'pull_request'
uses: lee-dohm/select-matching-issues@v1
with:
query: 'Container Vulnerability Scanner Failed is:open '
token: ${{ secrets.GITHUB_TOKEN }}
- name: Close found issues
continue-on-error: true
env:
GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
if: steps.runscanner.outcome == 'success' && github.event_name != 'pull_request'
run: cat ${{ steps.issues.outputs.path }} | xargs gh issue close -c 'Container Scan Passing on Merge to Main'