Create and publish a Docker image #2

	name: Create and publish a Docker image

	on:
	release:
	types: [published]
	push:
	branches:
	- master
	workflow_dispatch:

	jobs:
	ghr_push:
	runs-on: ubuntu-latest
	# if: github.event_name == 'push'

	steps:
	- name: checkout
	uses: actions/checkout@v2

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

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

	- name: Log-in to ghcr.io
	run: echo "${{ secrets.GIT_REPO_TOKEN }}" \| docker login https://ghcr.io -u ${{ github.actor }} --password-stdin

	- name: Build and push container image
	run: \|
	IMAGE_ID=$(echo ghcr.io/${{ github.repository }} \| tr '[A-Z]' '[a-z]')
	# Strip git ref prefix from version
	VERSION=$(echo "${{ github.ref }}" \| sed -e 's,./$.$,\1,')
	# Strip "v" prefix from tag name
	# [[ "${{ github.ref }}" == "refs/tags/"* ]] && VERSION=$(echo $VERSION \| sed -e 's/^v//')
	# when the branch is master, replace master with latest
	[ "$VERSION" == "master" ] && VERSION=latest
	echo IMAGE_ID=$IMAGE_ID
	echo VERSION=$VERSION
	# Build and Publish container image
	docker buildx build --push \
	--tag $IMAGE_ID:$VERSION \
	--platform linux/amd64,linux/arm/v7,linux/arm64 .

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