Update docker/setup-buildx-action action to v3 (#78) #124

	---
	name: Docker

	"on":
	push:
	branches:
	- main
	pull_request:

	jobs:
	build:
	name: Build and push
	runs-on: ubuntu-latest

	strategy:
	matrix:
	dockerfile:
	- Dockerfile.rust

	steps:
	- name: Checkout code
	uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4

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

	- name: Get image name from Dockerfile name
	id: name
	run: \|
	image_name=$(echo ${{ matrix.dockerfile }} \| cut -d '.' -f 2)
	echo "image_name=$image_name" >> $GITHUB_OUTPUT
	echo "$image_name"

	- name: Collect metadata for Docker
	id: meta
	uses: docker/metadata-action@v5
	with:
	images: \|
	ghcr.io/${{ github.repository_owner }}/${{ steps.name.outputs.image_name }}
	tags: \|
	type=ref,event=branch
	type=ref,event=pr
	type=semver,pattern={{version}}

	- name: Login to GitHub Container Registry
	uses: docker/login-action@v3
	if: github.event_name != 'pull_request'
	with:
	registry: ghcr.io
	username: ${{ github.repository_owner }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Build and push
	uses: docker/build-push-action@v5
	with:
	file: ${{ matrix.dockerfile }}
	context: .
	push: ${{ github.event_name != 'pull_request' }}
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}

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