improved tilegrid.get to automatically downscale. #459

	name: "Landscapes CI"
	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- main
	jobs:
	ci:
	runs-on: ubuntu-latest
	services:
	postgres:
	image: postgres:11-alpine
	ports:
	- "5432:5432"
	env:
	POSTGRES_DB: rails_test
	POSTGRES_USER: rails
	POSTGRES_PASSWORD: password
	# Set health checks to wait until postgres has started
	options: >-
	--health-cmd pg_isready
	--health-interval 10s
	--health-timeout 5s
	--health-retries 5
	env:
	RAILS_ENV: test
	DATABASE_URL: "postgres://rails:password@localhost:5432/rails_test"
	steps:
	- name: Checkout code
	uses: actions/checkout@v3
	- name: Install required apt packages
	run: \|
	sudo apt-get -y install libpq-dev
	- name: Install Ruby and gems
	uses: ruby/setup-ruby@v1
	with:
	bundler-cache: true
	- name: Setup database
	run: bin/rails db:setup
	- name: Setup Node
	uses: actions/setup-node@v3
	with:
	node-version: '16'
	cache: 'yarn'
	- name: Install Node dependencies
	run: \|
	yarn --frozen-lockfile
	- name: Precompile assets
	run: SECRET_KEY_BASE="0" bin/rails assets:precompile
	- name: Rails tests
	run: bin/rails test
	# - name: System tests (Chrome)
	# run: SYSTEM_TEST_BROWSER=headless_chrome bin/rails test:system
	- name: System tests (Firefox)
	run: SYSTEM_TEST_BROWSER=headless_firefox bin/rails test:system

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