Build unstable image #77

	---
	name: "Build unstable image"

	on:
	workflow_dispatch: # This allows to kick-off the action manually from GitHub Actions

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

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

	- name: Login to GitHub Container Registry
	uses: docker/login-action@v1
	with:
	registry: ghcr.io
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Build image and push to GitHub Container Registry
	uses: docker/build-push-action@v2
	with:
	context: .
	push: true
	tags: 'ghcr.io/mlibrary/umich-arclight/umich-arclight-unstable:${{ github.sha }}'
	file: .docker/Dockerfile.unstable

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