Merge pull request #60 from simonsobs/skinning #98

	name: Publish Docker Image to Registry

	on:
	release:
	types: [ released ]
	push:
	branches: [ "main" ]
	pull_request:
	workflow_dispatch:

	env:
	REGISTRY: ghcr.io
	IMAGE_NAME: simonsobs/ocs-web
	PULL_REQUEST: ${{ github.event_name == 'pull_request' }} # true on PR

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

	steps:
	- name: Checkout repository
	uses: actions/checkout@v3
	# Grab tags during checkout
	with:
	fetch-depth: 0

	- name: Log in to the Container registry
	uses: docker/login-action@v2
	with:
	registry: ${{ env.REGISTRY }}
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Build and push the Docker image
	run: \|
	# Build image
	docker build . --file Dockerfile --tag ${REGISTRY}/${IMAGE_NAME}:latest

	# Determine tag based on npm version within container
	export DOCKER_TAG=$(git describe --tags --always)
	echo "Docker Tag: ${DOCKER_TAG}"

	# Tag image
	docker tag ${REGISTRY}/${IMAGE_NAME}:latest ${REGISTRY}/${IMAGE_NAME}:${DOCKER_TAG}

	# Push images only on push to main or release
	if [[ "$GITHUB_REF_NAME" = "main" \|\| "$GITHUB_EVENT_NAME" = "release" ]]; then
	docker push ${REGISTRY}/${IMAGE_NAME}:${DOCKER_TAG}
	else
	echo "Skipping docker push; not on 'main' branch or a release."
	fi

	# Push 'latest' only on release
	if [[ "$GITHUB_EVENT_NAME" = "release" ]]; then
	docker push ${REGISTRY}/${IMAGE_NAME}:latest
	else
	echo "Not tagging 'latest'; this is not a release."
	fi

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