add envsubst capability in geowebcache #133

	name: Lint and Test Charts

	on: pull_request

	jobs:
	lint-test:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v3

	- name: Free Disk Space (Ubuntu)
	uses: jlumbroso/free-disk-space@main
	with:
	# this might remove tools that are actually needed,
	# if set to "true" but frees about 6 GB
	tool-cache: true
	# all of these default to true, but feel free to set to
	# "false" if necessary for your workflow
	android: true
	dotnet: true
	haskell: true
	large-packages: true
	docker-images: true
	swap-storage: false

	- name: Helm Installation
	uses: azure/setup-helm@v3

	- uses: actions/setup-python@main
	with:
	check-latest: true

	- name: Set up chart-testing
	uses: helm/chart-testing-action@main

	- name: Run chart-testing (lint)
	run: ct lint --validate-maintainers=false --chart-repos bitnami=https://charts.bitnami.com/bitnami/ --chart-dirs . --charts . --target-branch ${{ github.event.repository.default_branch }}

	- name: k3s install + add more swap
	run: \|
	curl -sfL https://get.k3s.io \| K3S_KUBECONFIG_MODE="644" sh -
	sudo dd if=/dev/zero of=/swapfile bs=1M count=8k status=progress
	sudo chmod 0600 /swapfile
	sudo mkswap /swapfile
	sudo swapon /swapfile
	free -h
	until KUBECONFIG=/etc/rancher/k3s/k3s.yaml kubectl get --raw='/readyz?verbose'; do echo "wait for k3s to finish"; done

	- name: Run chart-testing (install)
	run: \|
	KUBECONFIG=/etc/rancher/k3s/k3s.yaml ct install --chart-dirs . --charts . --helm-extra-args '--timeout 7200s' --target-branch ${{ github.event.repository.default_branch }}

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