NNS1-3480: new utility function to build datasets (#5941) #3924

	name: Populate docker cache
	on:
	push:
	branches:
	- main
	# Use this branch for tests:
	- docker-main-test
	workflow_dispatch:
	inputs:
	network:
	description: 'Network'
	default: 'local'
	type: string
	no_cache:
	description: 'no-cache'
	required: true
	default: false
	type: boolean
	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true
	jobs:
	builder:
	runs-on: ubuntu-20.04
	steps:
	- uses: actions/checkout@v4
	# We use `buildx` and its GitHub Actions caching support `type=gha`. For
	# more information, see
	# https://github.com/docker/build-push-action/issues/539
	- name: Set up docker buildx
	uses: docker/setup-buildx-action@v3
	- name: Provide empty global config
	run: echo '{}' > global-config.json
	- name: Build docker artifacts
	uses: docker/build-push-action@v6
	with:
	context: .
	file: Dockerfile
	build-args: \|
	DFX_NETWORK=${{ inputs.network \|\| 'local' }}
	COMMIT=${{ github.sha }}
	no-cache: ${{ inputs.no_cache \|\| false }}
	cache-from: type=gha,scope=cached-stage
	cache-to: type=gha,scope=cached-stage,mode=max
	outputs: type=cacheonly
	target: scratch

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