ci: automated readme updates #1

	name: Update Supported Tags list

	on:
	registry_package:
	types:
	- published
	push:
	branches:
	- main
	paths:
	- README.md.tpl
	workflow_dispatch:

	env:
	REGISTRY: ghcr.io

	jobs:
	update-readme:
	runs-on: ubuntu-latest
	permissions:
	contents: write
	packages: read
	outputs:
	tags: tags
	steps:
	- name: Install skopeo
	run: \|
	sudo apt-get update
	sudo apt-get install -y skopeo

	- name: Login to ${{ env.REGISTRY }}
	run: \|
	skopeo login -u ${{ github.actor }} -p ${{ github.token }} ghcr.io

	- uses: actions/checkout@v4
	with:
	token: "${{ github.token }}"

	- name: Fetch tags
	run: \|
	skopeo list-tags --override-os linux \
	docker://${{ env.REGISTRY }}/${{ github.repository }} \\|
	jq '.Tags \| map(select(test("^[\\d.]+"))) \| sort \| reverse' \|\
	gomplate -f README.md.tpl -o README.md -d "data=stdin:?type=application/array%2Bjson"

	- name: Commit changes
	run: \|
	git config user.name "github-actions[bot]"
	git config user.email "github-actions[bot]@users.noreply.github.com"
	git add README.md
	git commit --no-interactive -m "docs: update README.md"
	git push

Provide feedback