Avoid unnecessary String allocations (#477) #124

	# This workflow pushes new parachain-node docker images on every new push on master.
	#
	# All the images above have support for linux/amd64 and linux/arm64.
	#
	# Due to QEMU virtualization used to build multi-platform docker images

	name: "Build and publish Parachain-node Docker image"

	on:
	push:
	branches:
	- master

	jobs:
	build-and-publish:
	runs-on: ubuntu-latest
	concurrency:
	group: parachain-node-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: Create Docker Image Tag
	run: \|
	SHORT_SHA=$(echo ${GITHUB_SHA} \| cut -c1-8)
	echo "DOCKER_IMAGE_TAG=${SHORT_SHA}-$(date +%s)" >> $GITHUB_ENV
	-
	name: Set up QEMU
	uses: docker/setup-qemu-action@v2

	-
	name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v2

	- name: Login to Docker Hub
	uses: docker/login-action@v2
	with:
	username: ${{ secrets.DOCKER_HUB_USERNAME }}
	password: ${{ secrets.DOCKER_HUB_ACCESS_TOKEN }}
	-
	name: Build and push
	uses: docker/build-push-action@v3
	with:
	file: scripts/parachain.Dockerfile
	context: .
	push: true
	platforms: linux/amd64
	tags: \|
	composablefi/parachain-node:${{ env.DOCKER_IMAGE_TAG }}

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