[workflow] Build once and run tests against multiple Kubo versions #66

	name: Java CI

	on:
	schedule:
	- cron: '42 0 * * 4'
	push:
	branches:
	- master
	pull_request:

	jobs:
	build:
	runs-on: ubuntu-latest
	name: Build w/o tests
	steps:
	- uses: actions/checkout@v6
	- name: Set up JDK 21
	uses: actions/setup-java@v5
	with:
	distribution: temurin
	java-version: 21
	cache: 'maven'
	- name: Build with Maven
	run: ./mvnw -V -DskipTests --no-transfer-progress package
	- name: Upload artifacts
	uses: actions/upload-artifact@v6
	with:
	name: maven-build-artifacts
	path: target/
	retention-days: 1

	test:
	needs: build
	runs-on: ubuntu-latest

	strategy:
	fail-fast: false
	matrix:
	kubo: # https://github.com/ipfs/kubo#docker
	- v0.39.0 # specific release tag
	- release # latest stable release
	- master-latest # developer preview, HEAD of master branch

	name: Test with Kubo tag ${{matrix.kubo}}

	steps:
	- uses: actions/checkout@v6
	- name: Set up JDK 21
	uses: actions/setup-java@v5
	with:
	distribution: temurin
	java-version: 21
	cache: 'maven'
	- name: Download compiled artifacts
	uses: actions/download-artifact@v5
	with:
	name: maven-build-artifacts
	path: target/
	- name: Set up Docker Compose
	run: sudo apt-get install docker-compose
	- name: Run Kubo ${{matrix.kubo}} IPFS daemon
	env:
	KUBO_TAG: ${{matrix.kubo}}
	run: docker compose up -d
	- name: Build & run tests with Maven
	run: ./mvnw -V --no-transfer-progress -Dmaven.compiler.skip=true verify
	- name: Kubo logs
	if: ${{always()}}
	run: docker compose logs
	- name: Shut down Docker Compose
	if: always()
	run: docker compose down

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