Merge remote-tracking branch 'origin/main' #1

	---
	name: push docker image

	on:
	push:
	branches: [main]

	jobs:
	docker:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	- name: Set up QEMU
	uses: docker/setup-qemu-action@v2
	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v2
	- name: Cache Docker layers
	uses: actions/cache@v3
	with:
	path: /tmp/.buildx-cache
	key: ${{ runner.os }}-buildx-${{ github.sha }}
	restore-keys: \|
	${{ runner.os }}-buildx-
	- name: Login to DockerHub
	uses: docker/login-action@v2
	with:
	username: ${{ secrets.DOCKERHUB_USERNAME }}
	password: ${{ secrets.DOCKERHUB_TOKEN }}
	- name: Build and push
	id: docker_build
	uses: docker/build-push-action@v4
	with:
	push: true
	tags: vpro/fitnesse-runner:latest
	context: .
	platforms: linux/amd64,linux/arm64
	file: docker/Dockerfile
	cache-from: type=local,src=/tmp/.buildx-cache
	cache-to: type=local,dest=/tmp/.buildx-cache-new
	- name: Image digest
	run: echo ${{ steps.docker_build.outputs.digest }}
	# This ugly bit is necessary if you don't want your cache to grow forever
	# till it hits GitHub's limit of 5GB.
	# Temp fix
	# https://github.com/docker/build-push-action/issues/252
	# https://github.com/moby/buildkit/issues/1896
	- name: Move cache
	run: \|
	rm -rf /tmp/.buildx-cache
	mv /tmp/.buildx-cache-new /tmp/.buildx-cache

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