CI: Refactor GHA workflow recipes. Naming things. #1

	name: MLflow

	on:
	pull_request:
	branches: ~
	paths:
	- '.github/workflows/ml-mlflow.yml'
	- 'topic/machine-learning/mlops-mlflow/**'
	- 'requirements.txt'
	push:
	branches: [ main ]
	paths:
	- '.github/workflows/ml-mlflow.yml'
	- 'topic/machine-learning/mlops-mlflow/**'
	- 'requirements.txt'

	# Allow job to be triggered manually.
	workflow_dispatch:

	# Run job each night after CrateDB nightly has been published.
	schedule:
	- cron: '0 3 * * *'

	# Cancel in-progress jobs when pushing to the same branch.
	concurrency:
	cancel-in-progress: true
	group: ${{ github.workflow }}-${{ github.ref }}

	jobs:
	test:
	name: "
	Python: ${{ matrix.python-version }}
	CrateDB: ${{ matrix.cratedb-version }}
	on ${{ matrix.os }}"
	runs-on: ${{ matrix.os }}
	strategy:
	fail-fast: false
	matrix:
	os: [ 'ubuntu-latest' ]
	python-version: [ '3.11' ]
	cratedb-version: [ 'nightly' ]

	services:
	cratedb:
	image: crate/crate:nightly
	ports:
	- 4200:4200
	- 5432:5432

	steps:

	- name: Acquire sources
	uses: actions/checkout@v4

	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}
	architecture: x64
	cache: 'pip'
	cache-dependency-path: \|
	requirements.txt
	topic/machine-learning/mlops-mlflow/requirements.txt
	topic/machine-learning/mlops-mlflow/requirements-dev.txt

	- name: Install utilities
	run: \|
	pip install -r requirements.txt

	- name: Validate topic/machine-learning/mlops-mlflow
	run: \|
	ngr test --accept-no-venv topic/machine-learning/mlops-mlflow

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