Fix chart-testing PEM decoding error (#301) #1158

	name: Test Docker Build

	on:
	push:
	branches:
	- main
	pull_request:

	jobs:
	test-build:
	name: test-docker-build
	runs-on: ubuntu-latest
	steps:
	- uses: actions/setup-go@v6
	with:
	go-version: ^1.25

	- uses: actions/checkout@v5

	- name: Set up QEMU
	id: qemu
	uses: docker/setup-qemu-action@v3
	with:
	platforms: arm64,arm

	- name: Set up Docker Buildx
	id: buildx
	uses: docker/setup-buildx-action@v3
	with:
	install: true

	- name: Docker meta
	id: meta
	uses: docker/metadata-action@v5
	with:
	images: \|
	ghcr.io/${{ github.repository }}
	tags: \|
	type=semver,pattern={{raw}}
	flavor: \|
	latest=false

	- name: Inspect builder
	run: \|
	echo "Name: ${{ steps.buildx.outputs.name }}"
	echo "Endpoint: ${{ steps.buildx.outputs.endpoint }}"
	echo "Status: ${{ steps.buildx.outputs.status }}"
	echo "Flags: ${{ steps.buildx.outputs.flags }}"
	echo "Platforms: ${{ steps.buildx.outputs.platforms }}"

	- name: Login to GitHub Packages
	uses: docker/login-action@v3.6.0
	with:
	registry: ghcr.io
	username: ${{ github.repository_owner }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Build a docker image
	uses: docker/build-push-action@v6.18.0
	with:
	file: Dockerfile
	context: .
	platforms: linux/amd64,linux/arm64
	tags: ${{ steps.meta.outputs.tags }}
	push: false

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