Update Dockerfile to latest #36

	---
	name: Linters and formatters

	on: # yamllint disable-line rule:truthy
	push:
	branches:
	- '**'
	pull_request:
	branches:
	- '**'

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout repository
	uses: actions/checkout@v4

	- name: Terraform linter
	run: \|
	terraform version
	terraform fmt -check -recursive

	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: '3.9'

	- name: Install yamllint
	run: pip install yamllint

	- name: YAML linter
	run: \|
	yamllint --strict .

	- name: Dockerfile linter
	run: \|
	docker run --rm -i ghcr.io/hadolint/hadolint < src/grafana/Dockerfile
	docker run --rm -i ghcr.io/hadolint/hadolint < src/postgres/Dockerfile

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