Build container on new tag #27

	---
	name: Build container on new tag
	on:
	# allows manual start
	workflow_dispatch:
	# https://docs.github.com/en/developers/webhooks-and-events/webhooks/webhook-events-and-payloads#create
	create:

	env:
	# container repository
	CR_HOST: ${{ vars.CONTAINER_REPO_HOST }}
	CR_USER: ${{ vars.CONTAINER_REPO_USER }}
	CR_PASS: ${{ secrets.CONTAINER_REPO_PASS }}

	jobs:
	BuildNewContainer:
	runs-on: self-hosted
	if: github.event.ref_type == 'tag'
	steps:

	# bugs, bugs everywhere
	# https://github.com/actions/actions-runner-controller/issues/893
	- name: Set up Docker context for buildx
	id: buildx-context
	run: \|
	docker context create builders

	- name: Setup Docker Buildx
	uses: docker/setup-buildx-action@v2
	with:
	endpoint: builders

	# my repo is only available via IPv6
	# GitHub hosted runners don't have connectivity,
	# thus it needs to run on self-hosted
	- name: Log in to container registry
	uses: docker/[email protected]
	with:
	registry: ${{ env.CR_HOST }}
	username: ${{ env.CR_USER }}
	password: ${{ env.CR_PASS }}

	- name: Build and push container
	uses: docker/[email protected]
	with:
	tags: ${{ env.CR_HOST }}/${{ env.CR_USER }}/k8s-haproxy-external-lb:${{ github.event.ref }}
	file: "Containerfile"
	push: true

Provide feedback