Bump actions/checkout from 3 to 4 (#271) #150

	name: build

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

	jobs:
	build:
	runs-on: ubuntu-latest
	permissions:
	contents: read
	packages: write
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	- name: Generate docker metadata
	id: docker_meta
	uses: docker/metadata-action@v4
	with:
	images: ghcr.io/dergeberl/kubeteach,dergeberl/kubeteach
	- name: Set up QEMU
	uses: docker/setup-qemu-action@v2
	with:
	platforms: all
	- name: Set up Docker Buildx
	id: buildx
	uses: docker/setup-buildx-action@v2
	with:
	version: latest
	- name: Login to Docker Hub
	uses: docker/login-action@v2
	with:
	username: ${{ github.repository_owner }}
	password: ${{ secrets.DOCKER_HUB_TOKEN }}
	- name: Login to GitHub Container Registry
	uses: docker/login-action@v2
	with:
	registry: ghcr.io
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}
	- name: Build and push
	id: docker_build
	uses: docker/build-push-action@v4
	with:
	context: .
	file: ./Dockerfile
	platforms: linux/amd64,linux/arm/v7,linux/arm64
	push: true
	tags: ${{ steps.docker_meta.outputs.tags }}
	labels: ${{ steps.docker_meta.outputs.labels }}

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