Containers #123

	name: Containers

	on:
	schedule:
	- cron: '0 0 * * 0'
	workflow_dispatch:

	permissions:
	contents: write

	jobs:
	build:
	name: Build and push
	runs-on: ubuntu-latest
	steps:
	- name: Check out repo
	uses: actions/checkout@v3
	- name: Build and push container
	uses: coreos/actions-lib/build-container@main
	with:
	credentials: ${{ secrets.QUAY_AUTH }}
	push: quay.io/coreos/mkpasswd
	- name: Update README
	run: \|
	# This is load-bearing: GitHub will disable the job if the repo
	# doesn't stay active. Do not enable branch protection for main;
	# it'll break this.
	git config user.name 'CoreOS Bot'
	git config user.email [email protected]
	sed -i "s/updated-.*-green/updated-$(date +%Y--%m--%d)-green/" README.md
	git add README.md
	if git diff --quiet --staged --exit-code; then
	echo "README.md already up to date"
	exit 0
	fi
	git commit -m "README: update build date"
	git push

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