feat: add Dockerfile and Docker build Workflow #4

	name: Docker build

	on:
	push:
	branches:
	- main
	tags:
	- 'v*'
	pull_request:

	jobs:
	ubuntu-build:
	runs-on: ubuntu-24.04
	steps:
	- name: checkout code
	uses: actions/checkout@v4
	with:
	submodules: 'recursive'

	- name: Set up QEMU
	uses: docker/setup-qemu-action@v3

	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v3

	- name: Log in to GitHub Container Registry
	uses: docker/login-action@v3
	with:
	registry: ghcr.io
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Extract metadata (tags, labels) for Docker
	id: meta
	uses: docker/metadata-action@v5
	with:
	images: ghcr.io/${{ github.repository }}

	- name: Build and push Docker image
	uses: docker/build-push-action@v6
	with:
	push: true
	tags: ${{ steps.meta.outputs.tags }}
	context: .
	file: docker/Dockerfile
	platforms: linux/amd64,linux/arm64

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