MERGE with v3.2.11p1 #17

	---
	name: 'build images'

	on:
	push:

	jobs:
	docker:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v2

	- name: Prepare
	id: prep
	run: \|

	DOCKER_IMAGE=avhost/${GITHUB_REPOSITORY#*/}
	SHORTREF=${GITHUB_SHA::8}
	VERSION=${GITHUB_REF#refs/*/}
	TAGS="${DOCKER_IMAGE}:${VERSION}"

	# If the VERSION looks like a version number, assume that
	# this is the most recent version of the image and also
	# tag it 'latest'.
	if [[ $VERSION =~ ^v[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$ ]]; then
	TAGS="$TAGS,${DOCKER_IMAGE}:latest"
	fi

	# Set output parameters.
	echo ::set-output name=tags::${TAGS}
	echo ::set-output name=docker_image::${DOCKER_IMAGE}

	- name: Set up QEMU
	uses: docker/setup-qemu-action@v1
	with:
	platforms: all

	- name: Set up Docker Buildx
	id: buildx
	uses: docker/setup-buildx-action@v1

	- name: Login to DockerHub
	if: github.event_name != 'pull_request'
	uses: docker/login-action@v1
	with:
	username: ${{ secrets.DOCKER_USERNAME }}
	password: ${{ secrets.DOCKER_PASSWORD }}

	- name: Build
	uses: docker/build-push-action@v2
	with:
	builder: ${{ steps.buildx.outputs.name }}
	context: .
	file: ./Dockerfile
	platforms: linux/amd64
	push: true
	tags: ${{ steps.prep.outputs.tags }}

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