feat: update repository location in gatsby-config #6

	name: publish

	on: [push]
	env:
	IMAGE_NAME: photonq-gatsby

	jobs:
	# Push image to GitHub Packages.
	# See also https://docs.docker.com/docker-hub/builds/
	publish-container:
	runs-on: ubuntu-latest
	environment: photonq-internal
	env:
	GATSBY_ORIGIN_API_URL: ${{ vars.GATSBY_ORIGIN_API_URL }}
	permissions:
	packages: write
	contents: read

	steps:
	- uses: actions/checkout@v2

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

	- name: Log into registry
	run: echo "${{ secrets.GITHUB_TOKEN }}" \| docker login ghcr.io -u ${{ github.actor }} --password-stdin

	- name: Push image
	run: \|
	IMAGE_ID=ghcr.io/${{ github.repository_owner }}/$IMAGE_NAME

	# Change all uppercase to lowercase
	IMAGE_ID=$(echo $IMAGE_ID \| tr '[A-Z]' '[a-z]')
	# Strip git ref prefix from version
	VERSION=$(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" == "main" ] && VERSION=latest
	echo IMAGE_ID=$IMAGE_ID
	echo VERSION=$VERSION
	docker tag $IMAGE_NAME $IMAGE_ID:$VERSION
	docker push $IMAGE_ID:$VERSION

	# SPDX-License-Identifier: (EUPL-1.2)
	# Copyright © 2019-2022 snek.at

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