fixes #21 #8

	name: build and push CI

	on:
	push:
	tags:
	- 'v.'

	jobs:
	docker:
	runs-on: ubuntu-latest
	steps:
	-
	name: Docker meta
	id: meta
	uses: docker/metadata-action@v3
	with:
	# list of Docker images to use as base name for tags
	images: \|
	geertvangeest/ngs-variants-vscode
	# generate Docker tags based on the following events/attributes
	tags: \|
	type=semver,pattern={{major}}.{{minor}}
	-
	name: Checkout
	uses: actions/checkout@v2
	-
	name: Set up QEMU
	uses: docker/setup-qemu-action@v1
	-
	name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v1
	-
	name: Login to DockerHub
	uses: docker/login-action@v1
	with:
	username: ${{ secrets.DOCKERHUB_USERNAME }}
	password: ${{ secrets.DOCKERHUB_TOKEN }}
	-
	name: Build and push
	id: docker_build
	uses: docker/build-push-action@v2
	with:
	push: true
	context: ./Docker
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}

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