Add version file and use it for docker tag. #17

	name: Build and deploy to Github packages

	# Controls when the action will run.
	on:
	push:
	# Sequence of patterns matched against refs/heads
	branches:
	- snapshots
	# Sequence of patterns matched against refs/tags
	tags:
	- v*

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

	jobs:
	build-and-deploy:
	# The type of runner that the job will run on
	runs-on: ubuntu-latest
	environment: sonatype

	steps:
	# Checks-out the repository under $GITHUB_WORKSPACE
	- uses: actions/checkout@v2

	# Sets up JDK
	- name: Set up JDK 11
	uses: actions/[email protected]
	with:
	distribution: 'temurin'
	java-version: '11'

	# Runs the Maven build
	- name: Build and deploy with Maven
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	run: mvn deploy -B

Provide feedback