Avoid unnecessary String allocations (#477) #278

	name: "Build and publish Hyperspace Docker image"

	on:
	push:
	branches:
	- 'master'
	- 'develop'
	- 'release*'
	tags:
	- 'v*'

	env:
	IMAGE_NAME: ${{ github.repository }}

	jobs:

	build-and-publish:

	name: Build & push docker image

	runs-on: ubuntu-latest

	concurrency:
	group: hyperspace-docker-image-${{ github.ref }}
	cancel-in-progress: true

	strategy:
	fail-fast: true

	steps:
	- name: Clean up
	continue-on-error: true
	run: \|
	sudo chown -R $USER:$USER $GITHUB_WORKSPACE
	docker system prune --force --all --volumes

	- name: Install dependencies
	run: \|
	sudo apt-get install -y make build-essential

	- uses: actions/checkout@v2
	with:
	fetch-depth: 0

	- name: Set up QEMU
	uses: docker/setup-qemu-action@v3

	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v3

	- name: Extract metadata (tags, labels) for Docker
	id: meta
	uses: docker/metadata-action@v5
	with:
	images: ${{ env.IMAGE_NAME }}
	tags: \|
	type=semver,pattern={{version}}
	type=semver,pattern={{major}}.{{minor}}
	type=ref,event=branch
	type=sha,prefix={{branch}}-

	- name: Login to Docker Hub
	uses: docker/login-action@v2
	with:
	username: ${{ secrets.DOCKER_HUB_USERNAME }}
	password: ${{ secrets.DOCKER_HUB_ACCESS_TOKEN }}

	- name: Build and push Docker image
	uses: docker/build-push-action@v5
	with:
	file: scripts/hyperspace.Dockerfile
	push: ${{ github.event_name != 'pull_request' }}
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}

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