Return entity at the end of chain of trust #31

	name: SSI API

	on:
	pull_request:
	branches: [ master ]
	push:
	branches: [ master ]
	tags:
	- v*

	env:
	IMAGE_NAME: ssi-api

	jobs:
	push:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v2

	- name: Define Docker image version
	run: \|
	# Strip git ref prefix from version
	VERSION=$(echo "${{ github.ref }}" \| sed -e 's,./$.$,\1,')
	# Strip "v" prefix from tag name
	[[ "${{ github.ref }}" == "refs/tags/"* ]] && VERSION=$(echo $VERSION \| sed -e 's/^v//')
	# Use Docker `latest` tag convention
	[ "$VERSION" == "master" ] && VERSION=latest
	echo "VERSION=$VERSION" >> $GITHUB_ENV

	- name: Build docker image
	run: docker build . --tag $IMAGE_NAME:$VERSION

	- name: Log into GitHub Container Registry
	if: github.event_name == 'push'
	run: echo "${{ secrets.CR_PAT }}" \| docker login https://ghcr.io -u actions-docker --password-stdin

	- name: Push image to GitHub Container Registry
	if: github.event_name == 'push'
	run: \|
	IMAGE_ID=ghcr.io/${{ github.repository_owner }}/$IMAGE_NAME
	IMAGE_ID=$(echo $IMAGE_ID \| tr '[A-Z]' '[a-z]')
	echo IMAGE_ID=$IMAGE_ID
	echo VERSION=$VERSION
	docker tag $IMAGE_NAME:$VERSION $IMAGE_ID:$VERSION
	docker push $IMAGE_ID:$VERSION

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