Merge pull request #3 from liminspace/version_1.2 #15

	name: Docker release

	on:
	push:
	tags:
	- "v[0-9]+.[0-9]+"

	jobs:
	build:
	environment: release
	runs-on: ubuntu-latest
	steps:
	- name: Check ref name
	run: \|
	if [[ ! "${{ github.ref_name }}" =~ ^v[0-9]+\.[0-9]+$ ]]; then
	echo "Bad tag or branch name '${{ github.ref_name }}': it must be like 'v1.0'"
	exit 1
	fi
	- name: Set up QEMU
	uses: docker/setup-qemu-action@v2
	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v2
	- name: Login to DockerHub
	uses: docker/login-action@v2
	with:
	username: ${{ secrets.DOCKER_REGISTRY_USER }}
	password: ${{ secrets.DOCKER_REGISTRY_KEY }}
	- name: Define tags
	id: tags
	run: \|
	ver=$(echo "${{ github.ref_name }}" \| perl -pe 's/^v(\d+)\.(\d+)$/\1.\2/')
	base_ver=$(echo "${{ github.ref_name }}" \| perl -pe 's/^v(\d+)\.(\d+)$/\1/')
	tags="${{ secrets.IMAGE_NAME }}:$ver"
	tags="$tags,${{ secrets.IMAGE_NAME }}:$base_ver"
	tags="$tags,${{ secrets.IMAGE_NAME }}:latest"
	echo "Defined tags: $tags"
	echo "::set-output name=value::$tags"
	- name: Build and push
	uses: docker/build-push-action@v3
	with:
	push: true
	tags: "${{ steps.tags.outputs.value }}"

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