Update #8

	name: Build and push multi-arch ubuntu-systemd Docker image

	on:
	push:
	paths:
	- 'ubuntu-systemd/Dockerfile'
	pull_request:
	paths:
	- 'ubuntu-systemd/Dockerfile'

	jobs:
	build-and-push:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout code
	uses: actions/checkout@v2

	- name: Create init
	run: \|
	sudo apt install -y g++-aarch64-linux-gnu
	sudo aarch64-linux-gnu-g++ ubuntu-systemd/init.cpp -o ubuntu-systemd/init.aarch64
	sudo apt install -y g++
	sudo g++ ubuntu-systemd/init.cpp -o ubuntu-systemd/init.x86_64
	file ubuntu-systemd/init.aarch64
	file ubuntu-systemd/init.x86_64

	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v1

	- name: Login to DockerHub
	uses: docker/login-action@v1
	with:
	username: ${{ secrets.DOCKERHUB_USERNAME }}
	password: ${{ secrets.DOCKERHUB_TOKEN }}

	- name: Build and push
	uses: docker/build-push-action@v2
	with:
	context: .
	file: ubuntu-systemd/Dockerfile
	push: true
	tags: kaylor/ubuntu-systemd:latest
	platforms: linux/arm64, linux/amd64

	- name: Logout of DockerHub
	run: docker logout

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