Update docker/setup-buildx-action action to v3 #9

	# This workflow will build a new docker image and push it to the registry on a new push to main.
	name: "CI: Build and Push Docker Image"

	on:
	push:
	branches:
	- main

	permissions:
	contents: read
	packages: write

	jobs:
	build-and-publish-latest:
	runs-on: self-hosted
	if: github.ref == 'refs/heads/main' # Running this job only for master branch

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

	- name: Set up QEMU
	uses: docker/setup-qemu-action@v2

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

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

	- name: Docker metadata
	id: meta
	uses: docker/metadata-action@v5
	with:
	images: ghcr.io/${{ github.repository }}
	tags: latest

	- name: Build and push
	uses: docker/build-push-action@v5
	with:
	context: .
	platforms: linux/amd64,linux/arm64
	push: true
	tags: ${{ steps.meta.outputs.tags }}

Provide feedback