Add Trivy workflow for container scanning #3

	name: Trivy container scanning
	on:
	push:
	branches:
	- main
	pull_request:
	jobs:
	build:
	name: Build
	runs-on: ubuntu-20.04
	steps:
	- name: Checkout code
	uses: actions/checkout@v4

	- name: Build an image from Dockerfile
	run: \|
	docker build -t docker.io/my-organization/my-app:${{ github.sha }} .

	- name: Run Trivy vulnerability scanner
	uses: aquasecurity/trivy-action@915b19bbe73b92a6cf82a1bc12b087c9a19a5fe2 # 0.28.0
	with:
	image-ref: 'docker.io/my-organization/my-app:${{ github.sha }}'
	format: 'sarif'
	output: 'trivy-results.sarif'

	- 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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