Add Dockerfile for goreleaser #3

	name: goreleaser

	on:
	push:
	tags:
	- '*'

	permissions:
	contents: write
	packages: write
	id-token: write # needed for signing the images with GitHub OIDC Token
	actions: read

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

	- run: git fetch --force --tags

	- name: Set up QEMU
	uses: docker/setup-qemu-action@v3

	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v3

	- name: Set up Go
	uses: actions/setup-go@v5
	with:
	go-version: stable

	- name: Log into GHCR registry
	uses: docker/login-action@v3
	with:
	registry: ghcr.io
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Install Cosign
	uses: sigstore/[email protected]

	- name: Install Syft for SBOM Generation
	shell: bash
	run: curl -sSfL https://raw.githubusercontent.com/anchore/syft/main/install.sh \| sh -s -- -b /usr/local/bin

	- name: Run GoReleaser
	uses: goreleaser/goreleaser-action@v6
	with:
	distribution: goreleaser
	version: '~> v2'
	args: release --clean
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

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