feat: add docker image build and push to ghcr.io #1

	name: Docker_build_push

	on:
	push:
	branches: [feat/zero]
	release:
	types: [created]
	#TODO: remove, just for initial build test
	pull_request:
	branches: [feat/zero]

	env:
	REGISTRY: ghcr.io
	IMAGE_NAME: ${{ github.repository }}

	jobs:
	docker:
	name: Build and push docker image to GitHub Container Registry
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v3

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

	- name: Inject slug/short variables
	uses: rlespinasse/github-slug-action@v4
	with:
	short-length: 7

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

	- name: Extract metadata (tags, labels) for Docker
	id: meta
	uses: docker/metadata-action@v4
	with:
	images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
	tags: \|
	type=ref,event=branch
	type=ref,event=pr
	type=raw,value=test,enable={{is_default_branch}}
	type=semver,pattern={{version}}
	type=semver,pattern={{major}}.{{minor}}

	- name: Push to GitHub Container Registry
	uses: docker/build-push-action@v3
	with:
	context: .
	push: true
	platforms: linux/amd64,linux/arm64
	file: ./Dockerfile
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}
	cache-from: type=gha
	cache-to: type=gha,mode=max

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