Add mainnet directory setup instructions. #281

	name: Container Security

	on:
	push:
	branches: [ "main" ]
	pull_request:
	branches: [ "main" ]
	schedule:
	- cron: '29 19 * * 4'

	permissions:
	contents: read

	jobs:
	build:
	permissions:
	contents: read
	security-events: write
	actions: read
	name: Build
	runs-on: "ubuntu-latest"
	steps:
	- name: Checkout code
	uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 #v4.2.1

	- name: Build an image from Dockerfile
	run: \|
	docker build -t docker.io/my-organization/my-app:${{ github.sha }} .
	- name: Run Trivy vulnerability scanner
	uses: aquasecurity/trivy-action@18f2510ee396bbf400402947b394f2dd8c87dbb0 #v0.29.0
	with:
	image-ref: 'docker.io/my-organization/my-app:${{ github.sha }}'
	format: 'sarif'
	template: '@/contrib/sarif.tpl'
	output: 'trivy-results.sarif'
	severity: 'CRITICAL,HIGH'
	env:
	TRIVY_DB_REPOSITORY: public.ecr.aws/aquasecurity/trivy-db

	- name: Upload Trivy scan results to GitHub Security tab
	uses: github/codeql-action/upload-sarif@5618c9fc1e675841ca52c1c6b1304f5255a905a0 #v2.19.1
	with:
	sarif_file: 'trivy-results.sarif'

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