Add Dockerfile and publishing to DockerHub #17

	name: Release
	on:
	push:
	tags:
	- "*"
	jobs:
	build-bundle:
	name: Build & Test
	runs-on: ubuntu-latest
	timeout-minutes: 10
	permissions:
	contents: write
	steps:
	- uses: actions/checkout@v4
	- uses: actions/setup-java@v3
	with:
	java-version: "19"
	distribution: "temurin"
	architecture: x64
	cache: "gradle"
	- name: Validate Gradle wrapper
	uses: gradle/wrapper-validation-action@v1
	- name: Grant permissions to gradlew
	run: chmod +x gradlew
	- name: Get build version
	run: echo "build_version=$(./gradlew -q printVersion)" >> $GITHUB_ENV
	- name: Run distribution assembly
	run: ./gradlew buildScripts assembleBundleDist
	- name: Upload distribution
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	run:
	gh release create -d ${{ github.ref_name }} ./game/build/distributions/void-${{ env.build_version }}.zip
	- name: Log in to Docker Hub
	uses: docker/login-action@f4ef78c080cd8ba55a85445d5b36e214a81df20a
	with:
	username: ${{ secrets.DOCKER_USERNAME }}
	password: ${{ secrets.DOCKER_PASSWORD }}
	- name: Extract metadata (tags, labels) for Docker
	id: meta
	uses: docker/metadata-action@9ec57ed1fcdbf14dcef7dfbe97b2010124a938b7
	with:
	images: greghib/void
	- name: Build and push Docker image
	uses: docker/build-push-action@3b5e8027fcad23fda98b2e3ac259d8d67585f671
	with:
	context: .
	file: ./Dockerfile
	push: true
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}

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