Docker matrix build & publish #2

	# Runs on PR or Release and only if Dockerfile exists and not docs being updated
	name: Docker build & publish

	on:
	release:
	types: [published]
	branches:
	- main
	tags:
	# paths-ignore:
	# - 'docs/**'

	# Allows you to run this workflow manually from the Actions tab
	workflow_dispatch:

	jobs:
	docker:
	strategy:
	matrix:
	os: [buster, bullseye]

	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4

	- name: Set up QEMU
	id: qemu
	uses: docker/setup-qemu-action@v3
	with:
	image: tonistiigi/binfmt:latest
	platforms: arm

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

	- name: Docker meta
	id: meta
	uses: docker/metadata-action@v5
	with:
	images: theyosh/terrariumpi
	flavor: \|
	latest=false
	suffix=-${{ matrix.os }},onlatest=false

	- name: Login to DockerHub
	uses: docker/login-action@v3
	with:
	username: ${{ secrets.DOCKERHUB_USERNAME }}
	password: ${{ secrets.DOCKERHUB_TOKEN }}

	- name: Build and push
	uses: docker/build-push-action@v5
	with:
	context: .
	file: ./Dockerfile.${{ matrix.os }}
	push: false
	# target: finalimage
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}
	platforms: linux/arm/v7
	cache-from: type=gha
	cache-to: type=gha,mode=max
	build-args: \|
	GITHUB_SHA=${{ github.sha }}

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