init GHA #2

	name: build-deploy-pr
	on:
	pull_request:
	jobs:
	deploy-images:
	runs-on: ubuntu-latest
	env:
	registry: ghcr.io
	username: degauss-org
	repository: daymet_chicago
	strategy:
	fail-fast: false
	steps:
	- name: Checkout
	uses: actions/checkout@v2
	- name: create latest tag variable
	run: \|
	container="${{ env.registry }}/${{ env.username}}/${{ env.repository }}:latest"
	echo "container=${container}" >> $GITHUB_ENV
	- name: create pull request tag variable based on name of associated branch
	if: github.event_name == 'pull_request'
	run: \|
	versioned="${{ env.registry }}/${{ env.username}}/${{ env.repository }}:${GITHUB_HEAD_REF}"
	echo "versioned=${versioned}" >> $GITHUB_ENV
	- name: build container
	run: \|
	docker build -t ${{ env.container }} .
	- name: test run container
	run: \|
	docker run --rm -v "${PWD}/test":/tmp ${{ env.container }} loyalty_degauss.csv
	- name: login to ghcr
	uses: docker/login-action@v1
	with:
	registry: ${{ env.registry }}
	username: ${{ env.username }}
	password: ${{ secrets.GITHUB_TOKEN }}
	- name: deploy pull request container
	run: \|
	docker tag ${{ env.container }} ${{ env.versioned }}
	docker push ${{ env.versioned }}

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