docker: gives more memory to prevent crash on OOM (#3761) #27

	---
	name: docker_push

	# We re-push docker on a trigger tag, regardless of if the commit is
	# documentation-only.
	on: # yamllint disable-line rule:truthy
	push:
	tags: # e.g. docker-1.2.3
	- 'docker-[0-9]+.[0-9]+.[0-9]+**'

	jobs:
	docker_push:
	runs-on: ubuntu-22.04 # newest available distribution, aka jellyfish
	steps:
	- name: Checkout Repository
	uses: actions/checkout@v4
	# Don't attempt to cache Docker. Sensitive information can be stolen
	# via forks, and login session ends up in ~/.docker. This is ok because
	# we publish DOCKER_PARENT_IMAGE to ghcr.io, hence local to the runner.
	- name: Docker Push
	run: \| # GITHUB_REF = refs/tags/docker-MAJOR.MINOR.PATCH
	build-bin/git/login_git &&
	build-bin/docker/configure_docker_push &&
	build-bin/docker_push $(echo ${GITHUB_REF} \| cut -d/ -f 3)
	env:
	# GH_USER=<user that created GH_TOKEN>
	GH_USER: ${{ secrets.GH_USER }}
	# GH_TOKEN=<hex token value>
	# * pushes Docker images to ghcr.io
	# * create via https://github.com/settings/tokens
	# * needs repo:status, public_repo, write:packages, delete:packages
	GH_TOKEN: ${{ secrets.GH_TOKEN }}
	# DOCKERHUB_USER=<typically dockerzipkindeployer>
	# * only push repos in openzipkin org to Docker Hub on release
	DOCKERHUB_USER: ${{ secrets.DOCKERHUB_USER }}
	# DOCKERHUB_TOKEN=<access token for DOCKERHUB_USER>
	# * Access Token from here https://hub.docker.com/settings/security
	DOCKERHUB_TOKEN: ${{ secrets.DOCKERHUB_TOKEN }}

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