fix relative links for multi-instance mode #41

	name: Docker
	on:
	push:
	tags:
	- '..*'
	jobs:
	docker-images:
	permissions:
	packages: write
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v3
	with:
	fetch-depth: 0

	- name: Generate Docker tag
	id: docker_tag
	run: \|
	DOCKER_IMAGE=${{ github.repository_owner }}/mlmym
	DOCKER_VERSION=dev
	DOCKER_VERSION=${GITHUB_REF#refs/tags/}
	TAGS="ghcr.io/${DOCKER_IMAGE}:${DOCKER_VERSION},ghcr.io/${DOCKER_IMAGE}:latest"
	echo ::set-output name=tags::${TAGS}

	- name: Set up QEMU
	uses: docker/setup-qemu-action@v2

	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v2

	- name: Login to GitHub Container Registry
	uses: docker/login-action@v2
	with:
	registry: ghcr.io
	username: ${{ github.repository_owner }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Build and Push images
	uses: docker/build-push-action@v4
	with:
	context: .
	file: Dockerfile
	platforms: linux/amd64,linux/arm64
	push: true
	tags: ${{ steps.docker_tag.outputs.tags }}

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