Build docker image for package building #46

	name: Build docker image for package building

	on:
	workflow_dispatch: {}
	push:
	branches:
	- main
	paths:
	- "buildroot/**"

	jobs:
	build:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	target:
	[
	"humble_large",
	"humble_large_cross",
	"humble_small",
	"humble_small_cross",
	"jazzy_small",
	]
	steps:
	- uses: actions/checkout@v4

	- name: Change data-dir
	run: \|
	sudo systemctl stop docker
	sudo rm -rf /var/lib/docker
	sudo mkdir /mnt/docker
	sudo ln -s /mnt/docker /var/lib/docker
	sudo systemctl start docker

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

	- name: Login to Docker Hub
	uses: docker/login-action@v3
	with:
	registry: ghcr.io
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

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

	- name: Build and push
	uses: docker/bake-action@v4
	with:
	push: true
	workdir: buildroot
	targets: ${{ matrix.target }}
	set: \|
	*.cache-to=type=registry,ref=ghcr.io/fortefibre/buildroot-${{ matrix.target }}-cache,mode=max
	*.cache-from=type=registry,ref=ghcr.io/fortefibre/buildroot-${{ matrix.target }}-cache

	pull:
	runs-on: GPU
	needs: build
	steps:
	- name: Pull latest images
	run: \|
	docker pull ghcr.io/fortefibre/buildroot:humble-large
	docker pull ghcr.io/fortefibre/buildroot:jazzy-small
	docker pull --platform linux/arm64/v8 ghcr.io/fortefibre/buildroot:humble-large-cross
	docker system prune -f

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