chore: pin `ubuntu-22.04` runner for linux actions #101

	name: Check Containers

	on:
	pull_request:
	paths:
	- ".github/workflows/check-containers.ya?ml"
	- "**.Dockerfile"
	- "**/Dockerfile"
	push:
	paths:
	- ".github/workflows/check-containers.ya?ml"
	- "**.Dockerfile"
	- "**/Dockerfile"
	repository_dispatch:
	schedule:
	# Run periodically to catch breakage caused by external changes.
	- cron: "0 7 * * MON"
	workflow_dispatch:

	jobs:
	run:
	name: Run (${{ matrix.image.path }})
	runs-on: ubuntu-22.04
	permissions: {}
	services:
	registry:
	image: registry:2
	ports:
	- 5000:5000

	env:
	IMAGE_NAME: name/app:latest
	REGISTRY: localhost:5000

	strategy:
	fail-fast: false
	matrix:
	image:
	- path: .github/workflows/assets/linux.Dockerfile

	steps:
	- name: Checkout repository
	uses: actions/checkout@v4

	- name: Build and push to local registry
	uses: docker/build-push-action@v6
	with:
	context: .
	file: ${{ matrix.image.path }}
	push: true
	tags: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}

	- name: Run container
	run: \|
	docker \
	run \
	--rm \
	${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}

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