update dockerfile to use slurm-dist as base #3

	name: Build and publish Docker images

	on:
	push:
	branches:
	- main
	schedule:
	- cron: "0 0 1,15 * *" # the 1st and 15th of every month

	env:
	IMAGE_NAME: ${{ github.repository }}
	IMAGE_REGISTRY: ghcr.io
	REGISTRY_USER: ${{ github.actor }}
	REGISTRY_PASSWORD: ${{ github.token }}

	jobs:
	build-and-push-image:
	runs-on: ubuntu-latest
	permissions:
	contents: read
	packages: write

	steps:
	- name: Checkout repository
	uses: actions/checkout@v3

	- name: Log in to the Container registry
	uses: docker/login-action@40891eba8c2bcd1309b07ba8b11232f313e86779
	with:
	registry: ${{ env.IMAGE_REGISTRY }}
	username: ${{ env.REGISTRY_USER }}
	password: ${{ env.REGISTRY_PASSWORD }}

	- name: Extract metadata (tags, labels) for Docker
	id: meta
	uses: docker/metadata-action@c4ee3adeed93b1fa6a762f209fb01608c1a22f1e
	with:
	images: ${{ env.IMAGE_REGISTRY }}/${{ env.IMAGE_NAME }}

	- name: Build and push Docker image
	uses: docker/build-push-action@91df6b874e498451163feb47610c87c4a218c1ee
	with:
	context: .
	push: true
	build-args: \|
	DOCKER_METADATA_OUTPUT_JSON
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}

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