Add docker container image scan with Trivy (#316) #5

	name: Trivy

	on:
	push:
	branches: [ "main" ]
	pull_request:
	branches: [ "main" ]
	schedule:
	- cron: '44 1 * * 3'

	permissions:
	contents: read

	jobs:
	analyze:
	permissions:
	contents: read
	security-events: write
	name: Analyze
	runs-on: ubuntu-latest
	steps:
	- name: Checkout code
	uses: actions/checkout@v4

	- name: Set environment variables
	run: \|
	echo IMAGE_NAME=ghcr.io$REGISTRY/$(echo ${GITHUB_REPOSITORY,,}) >> $GITHUB_ENV

	- name: Build image from Dockerfile
	run: \|
	docker build --build-arg VERSION=$GITHUB_RUN_NUMBER --build-arg REVISION=${{ github.sha }} -t ${{ env.IMAGE_NAME }}:${{ github.sha }} .

	- name: Run Trivy vulnerability scanner
	uses: aquasecurity/trivy-action@7b7aa264d83dc58691451798b4d117d53d21edfe
	env:
	ACTIONS_RUNTIME_TOKEN: ${{ secrets.GITHUB_TOKEN }} # Addresses https://github.com/aquasecurity/trivy-action/issues/389
	with:
	image-ref: '${{ env.IMAGE_NAME }}:${{ github.sha }}'
	format: 'template'
	template: '@/contrib/sarif.tpl'
	output: 'trivy-results.sarif'
	severity: 'CRITICAL,HIGH'

	- name: Upload Trivy scan results to GitHub Security tab
	uses: github/codeql-action/upload-sarif@v3
	with:
	sarif_file: 'trivy-results.sarif'

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