Prepare dockerfiles to support multiple architectures and launching GUIs (arm64 in addition to amd64) #25

	name: github-DOCKER

	on:
	pull_request:
	paths-ignore:
	- '*/.rst'
	- '*/.md'
	- 'doc/**'
	types: [ opened, reopened, synchronize ]
	push:
	branches:
	- main

	permissions:
	contents: none

	env:
	IMAGE_REGISTRY: "ghcr.io/sandialabs/opencsp"

	jobs:
	container_build_matrix:
	runs-on: ubuntu-latest
	permissions:
	packages: write
	contents: read
	strategy:
	matrix:
	dockerfile: [Dockerfile, Dockerfile_x11]
	include:
	- dockerfile: Dockerfile
	ARCH: amd64
	TAG: ubi8

	- dockerfile: Dockerfile_x11
	ARCH: amd64
	TAG: ubi8-x11

	- dockerfile: Dockerfile_x11
	ARCH: arm64
	TAG: ubi8-x11
	steps:
	- uses: actions/checkout@v4

	- name: Set vars
	run: \|
	export REV=$(echo "${GITHUB_SHA}" \| cut -c1-7)
	if [[ "$GITHUB_REF" == "refs/heads/main" ]]; then
	export REV=latest
	fi

	echo "FULL_TAG=$IMAGE_REGISTRY:${{matrix.TAG }}-${{matrix.ARCH}}-$REV" >> $GITHUB_ENV

	- name: Build image
	run: \|
	cp requirements.txt ./docker
	echo "FULL_TAG=$FULL_TAG"
	docker build ./docker \
	--build-arg="TARGET_ARCH=${{matrix.ARCH}}" \
	--file "${{matrix.dockerfile}}" \
	--tag "$FULL_TAG" \
	--label "runnumber=${GITHUB_RUN_ID}"

	- name: Log in to registry
	run: echo "${{ secrets.GITHUB_TOKEN }}" \| docker login ghcr.io -u $ --password-stdin

	- name: Push image
	run: \|
	echo "FULL_TAG=$FULL_TAG"
	docker push "$FULL_TAG"

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