prepare for 3.0.0 beta.1 release #33

	name: CI to Docker Hub - Semver

	# Controls when the action will run.
	on:
	# Triggers the workflow on push or pull request events but only for the master branch
	push:
	tags:
	- "..*"

	# Allows you to run this workflow manually from the Actions tab
	workflow_dispatch:

	# A workflow run is made up of one or more jobs that can run sequentially or in parallel
	jobs:
	# This workflow contains a single job called "build"
	build:
	# The type of runner that the job will run on
	runs-on: ubuntu-latest

	# Steps represent a sequence of tasks that will be executed as part of the job
	steps:
	- name: Check Out Repo
	uses: actions/checkout@v2

	- name: Docker meta
	id: meta
	uses: docker/metadata-action@v3
	with:
	# list of Docker images to use as base name for tags
	images: \|
	kommonitor/web-client
	# generate Docker tags based on the following events/attributes
	tags: \|
	type=ref,event=branch
	type=ref,event=pr
	type=semver,pattern={{version}}
	type=semver,pattern={{major}}.{{minor}}

	- name: Login to Docker Hub
	uses: docker/login-action@v1
	with:
	username: ${{ secrets.DOCKER_HUB_USERNAME }}
	password: ${{ secrets.DOCKER_HUB_ACCESS_TOKEN }}

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

	- name: Build and push
	id: docker_build
	uses: docker/build-push-action@v2
	with:
	context: ./
	file: ./Dockerfile
	push: true
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}

	- name: Image digest
	run: echo ${{ steps.docker_build.outputs.digest }}

Provide feedback