Add WFs for building package #1

	name: Build package

	on:
	push:
	branches:
	- master

	pull_request:
	branches:
	- master

	concurrency: build-${{ github.ref }}

	env:
	REGISTRY: ghcr.io

	defaults:
	run:
	shell: bash

	jobs:
	build-docker:
	name: Build Docker image
	runs-on: ubuntu-22.04
	permissions:
	contents: read
	outputs:
	image-archive: image.tar
	image-repository: ${{ steps.prepare-repository-name.outputs.repository }}
	image-tag: ${{ steps.extract-metadata.outputs.version }}

	steps:
	- name: Checkout repository
	uses: actions/checkout@v4

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

	- name: Prepare repository name
	id: prepare-repository-name
	run: \|
	repository=$REGISTRY/${{ github.repository }}
	echo "repository=${repository,,}" >> $GITHUB_OUTPUT

	- name: Extract metadata (tags, labels) for Docker
	id: extract-metadata
	uses: docker/metadata-action@v4
	with:
	images: ${{ steps.prepare-repository-name.outputs.repository }}

	- name: Build Docker image
	uses: docker/build-push-action@v4
	with:
	platforms: linux/amd64,linux/arm64
	context: .
	cache-from: \|
	type=gha,scope=sha-${{ github.sha }}
	type=gha,scope=${{ github.ref_name }}
	type=gha,scope=${{ github.base_ref \|\| 'main' }}
	type=gha,scope=main
	cache-to: \|
	type=gha,scope=sha-${{ github.sha }},mode=max
	type=gha,scope=${{ github.ref_name }},mode=max
	outputs: \|
	type=oci,dest=${{ runner.temp }}/image.tar
	tags: ${{ steps.extract-metadata.outputs.tags }}
	labels: ${{ steps.extract-metadata.outputs.labels }}

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