Update legacy/assets Dockerfile #13

	name: Docker (legacy)

	on:
	push:
	branches: [ "legacy" ]
	tags: [ "v*" ]
	pull_request:
	branches: [ "legacy" ]

	jobs:
	build:
	name: Build ${{ matrix.target }}
	runs-on: ubuntu-latest
	strategy:
	matrix:
	target: [ web, reverse-proxy, assets, storage, wvw-crawler ]
	steps:
	- uses: actions/checkout@v3
	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v1
	- name: Build the Docker image
	uses: docker/[email protected]
	with:
	workdir: legacy
	files: docker-compose.yml
	targets: ${{ matrix.target }}
	load: true
	set: \|
	*.cache-from=type=gha,scope=build-${{ matrix.target }}
	*.cache-to=type=gha,scope=build-${{ matrix.target }},mode=max
	- name: Login to GitHub Container Registry
	if: github.event_name == 'push'
	uses: docker/login-action@v2
	with:
	registry: ghcr.io
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}
	- name: Push image
	if: github.event_name == 'push'
	run: \|
	IMAGE_ID=ghcr.io/${{ github.repository }}/legacy/${{ matrix.target }}
	# Change all uppercase to lowercase
	IMAGE_ID=$(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" == "legacy" ] && VERSION=latest
	echo IMAGE_ID=$IMAGE_ID
	echo VERSION=$VERSION
	docker tag gw2treasures/legacy/${{ matrix.target }} $IMAGE_ID:$VERSION
	docker push $IMAGE_ID:$VERSION

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