TRIVIAL Bump Alpine version (#2) #1

	name: Docker release

	on:
	push:
	tags:
	- 'v*'

	env:
	REGISTRY: ghcr.io
	IMAGE_NAME: wandera/net-utils
	TAG: ${{ github.ref_name }}

	jobs:
	docker:
	name: Build
	runs-on: ubuntu-latest
	permissions:
	contents: read
	packages: write
	id-token: write
	steps:
	- name: Checkout
	uses: actions/checkout@v3
	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v2
	- name: Setup Cosign
	uses: sigstore/cosign-installer@v3
	- name: Login to GitHub Container Registry
	uses: docker/login-action@v2
	with:
	registry: ${{ env.REGISTRY }}
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}
	- name: Setup image metadata
	id: docker_meta
	uses: docker/metadata-action@v4
	with:
	images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
	- name: Build and push
	uses: docker/build-push-action@v2
	id: build
	with:
	context: .
	push: true
	tags: ${{ steps.docker_meta.outputs.tags }}
	labels: ${{ steps.docker_meta.outputs.labels }}
	- name: Sign the images
	env:
	DIGEST: ${{ steps.build.outputs.digest }}
	run: cosign sign --yes "${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}@${DIGEST}"

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