Add that net host not needed if IPv6 is setup for Docker #198

	name: Build cloudflare-ddns Docker image (multi-arch)

	on:
	push:
	branches: master
	pull_request:

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout code
	uses: actions/checkout@v2
	# https://github.com/docker/setup-qemu-action
	- name: Set up QEMU
	uses: docker/setup-qemu-action@v1
	# https://github.com/docker/setup-buildx-action
	- name: Setting up Docker 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: Extract branch name
	shell: bash
	run: echo "##[set-output name=branch;]$(echo ${GITHUB_REF#refs/heads/})"
	id: extract_branch
	- name: Docker meta
	id: meta
	uses: docker/metadata-action@v3
	with:
	images: timothyjmiller/cloudflare-ddns
	sep-tags: ','
	flavor: \|
	latest=false
	tags: \|
	type=raw,enable=${{ steps.extract_branch.outputs.branch == 'master' }},value=latest
	type=schedule
	type=ref,event=pr

	- name: Build and publish
	uses: docker/build-push-action@v2
	with:
	context: .
	push: ${{ github.event_name != 'pull_request' }}
	tags: ${{ steps.meta.outputs.tags }}
	platforms: linux/ppc64le,linux/s390x,linux/386,linux/arm/v6,linux/arm/v7,linux/arm64/v8,linux/amd64
	labels: \|
	org.opencontainers.image.source=${{ github.event.repository.html_url }}
	org.opencontainers.image.created=${{ steps.meta.outputs.created }}
	org.opencontainers.image.revision=${{ github.sha }}

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