adding back postgis #763

	# This workflow will install Python dependencies, run tests and lint with a single version of Python
	# For more information see: https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions

	name: Materialization Engine

	on:
	push:
	branches:
	- master
	paths:
	- "materializationengine/**"
	- "tests/**"
	- "requirements.txt"
	- ".github/workflows/**"
	pull_request:
	branches: master

	jobs:

	test:

	name: Test against different Python versions
	runs-on: ubuntu-latest
	services:
	postgres:
	image: postgis/postgis:13-master
	env:
	POSTGRES_USER: postgres
	POSTGRES_PASSWORD: postgres
	POSTGRES_DB: test_aligned_volume
	ports:
	- 5432:5432
	options: --health-cmd pg_isready --health-interval 10s --health-timeout 5s --health-retries 5
	steps:
	- uses: actions/checkout@v4
	- name: Set up Python 3.9
	uses: actions/setup-python@v5
	with:
	python-version: 3.9
	- uses: actions/cache@v2
	with:
	path: ~/.cache/pip
	key: ${{ runner.os }}-pip-${{ hashFiles('**/test_requirements.txt') }}
	restore-keys: \|
	${{ runner.os }}-pip-

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