Supports OpenSearch V2 through ES_* environment variables #16

	# yamllint --format github .github/workflows/test_readme.yml
	---
	name: test_readme

	# These test build commands mentioned in various README.md files.
	#
	# This doesn't literally scrape the README.md, so we don't test documentation-only commits.
	on:
	# We run tests on only on pull requests targeted at the master branch.
	# * This skips master pushes as it is rare things not done in PRs break, and conserves resources
	pull_request:
	branches: master
	paths-ignore: '*/.md'

	jobs:
	zipkin-dependencies:
	runs-on: ubuntu-22.04 # newest available distribution, aka jellyfish
	steps:
	- name: Checkout Repository
	uses: actions/checkout@v4
	- name: Setup java
	uses: actions/setup-java@v4
	with:
	distribution: 'zulu' # zulu as it supports a wide version range
	java-version: '17' # until Spark 4 per SPARK-43831
	- name: Cache local Maven repository
	uses: actions/cache@v3
	with:
	path: ~/.m2/repository
	key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
	restore-keys: ${{ runner.os }}-maven-
	# 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: README.md # Tests the build which is re-used for docker
	run: ./mvnw -T1C -q --batch-mode -DskipTests -Denforcer.fail=false package
	- name: docker/README.md
	run: build-bin/docker/docker_build openzipkin/zipkin-dependencies:test
	env:
	RELEASE_FROM_MAVEN_BUILD: true

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