Update docker-build-push.yml #14

	name: Docker CI

	on:
	push:
	branches: [ "main" ]
	pull_request:
	branches: [ "main" ]
	workflow_dispatch:

	jobs:
	build:
	name: "Docker Build and/or Deploy"
	runs-on: ubuntu-latest
	if: ${{ github.actor != 'dependabot[bot]' }}

	permissions:
	contents: read
	packages: write

	strategy:
	matrix:
	image: [ "tutor-assistant", "tutor-assistant-app-service", "tutor-assistant-web" ]

	steps:
	- uses: actions/checkout@v4

	- name: Build image
	run: docker build ${{ matrix.image }} --file ${{ matrix.image }}/Dockerfile --tag ${{ matrix.image }}

	- name: Log into Registry
	if: ${{ github.event_name == 'push' }}
	run: echo "${{ secrets.GITHUB_TOKEN }}" \| docker login ghcr.io -u ${{ github.repository_owner }} --password-stdin

	- name: Push Image
	if: ${{ github.event_name == 'push' }}
	run: \|
	IMAGE_ID=ghcr.io/${{ github.repository_owner }}/${{ matrix.image }}

	# 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 ${{ matrix.image }} $IMAGE_ID:$VERSION
	docker push $IMAGE_ID:$VERSION

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