ci: add github action #9

	name: verify

	on:
	push:
	branches:
	- 'main'
	tags:
	- 'v*'
	pull_request:
	workflow_dispatch:

	jobs:
	verify:
	runs-on: ubuntu-latest
	name: Build & Test

	steps:
	- uses: actions/checkout@v4
	with:
	submodules: true

	- uses: actions/setup-go@v5
	with:
	go-version: ~1.22
	cache: true

	- name: go version
	run: \|
	go version

	- name: build
	run: \|
	make

	- name: verify that generated code is up-to-date
	run: \|
	# make (which we ran in the previous step) will implicitly also run the targets manifests & generate, which
	# could potentially modify code that is under version control, if changes have been comitted that would have
	# required updating manifests or generated code and these updates have not been done.
	git diff --exit-code

	- name: lint
	run: \|
	make lint

	- name: test
	run: \|
	make test

	# Instead of running make docker-build, we run docker build via a dedicated action, which enables Docker layer
	# caching.
	- uses: docker/setup-buildx-action@v3
	# - uses: docker/login-action@v3
	# with:
	# username: ${{ secrets.DOCKERHUB_USERNAME }}
	# password: ${{ secrets.DOCKERHUB_TOKEN }}
	- name: build container image
	uses: docker/build-push-action@v5
	with:
	context: .
	push: false
	tags: dash0-operator-controller:latest
	cache-from: type=gha
	cache-to: type=gha,mode=max

	# TODO look into https://github.com/helm/kind-action and run e2e test in GH action
	# - name: end-to-end test
	# run: \|
	# make test-e2e

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