Add alertmanager bridge for prometheus alerts; replace Discord bridge with mautrix/discord #425

	name: Lint and Test Chart

	on:
	pull_request:
	paths:
	- 'charts/matrix/**'

	permissions:
	contents: read

	jobs:
	lint:
	name: Lint
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	with:
	fetch-depth: "0"

	- name: Install Helm
	uses: azure/setup-helm@v4

	- name: Add dependency chart repos
	run: \|
	helm repo add bitnami https://charts.bitnami.com/bitnami
	helm repo add coturn https://small-hack.github.io/coturn-chart
	helm repo add matrix-sliding-sync https://small-hack.github.io/matrix-sliding-sync-chart
	helm repo add matrix-authentication-service https://small-hack.github.io/matrix-authentication-service-chart

	- name: Set up chart-testing
	uses: helm/chart-testing-action@v2.6.1

	- name: Run chart-testing (list-changed)
	id: list-changed
	run: \|
	changed=$(ct list-changed --target-branch ${{ github.event.repository.default_branch }})
	if [[ -n "$changed" ]]; then
	echo "changed=true" >> "$GITHUB_OUTPUT"
	fi

	- name: Run chart-testing (lint)
	id: lint
	if: steps.list-changed.outputs.changed == 'true'
	run: ct lint --target-branch ${{ github.event.repository.default_branch }}

	- uses: debianmaster/actions-k3s@master
	id: k3s
	with:
	version: 'latest'

	- name: Run chart-testing (install)
	id: install
	if: steps.list-changed.outputs.changed == 'true'
	run: \|
	ct install --target-branch ${{ github.event.repository.default_branch }} \
	--helm-extra-set-args '--set=postgresql.volumePermissions.enabled=false --set=postgresql.primary.networkPolicy.enabled=false --set=matrix.hostname=matrix-test.com'

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