Migrate rshiny-open-source-base image from data platform (#2) #1

	---
	name: Release

	on:
	push:
	tags:
	- "*"

	permissions: {}

	jobs:
	release:
	name: Release
	runs-on: ubuntu-latest
	permissions:
	contents: read
	id-token: write
	packages: write
	steps:
	- name: Checkout
	id: checkout
	uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v4.1.2

	- name: Install cosign
	id: install_cosign
	uses: sigstore/cosign-installer@59acb6260d9c0ba8f4a2f9d9b48431a222b68e20 # v3.5.0

	- name: Log in to GitHub Container Registry
	id: login_ghcr
	uses: docker/login-action@e92390c5fb421da1463c202d546fed0ec5c39f20 # v3.1.0
	with:
	registry: ghcr.io
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Build and Push
	id: build_and_push
	uses: docker/build-push-action@2cdde995de11925a030ce8070c3d77a52ffcf1c0 # v5.3.0
	with:
	push: true
	tags: ghcr.io/${{ github.repository }}:${{ github.ref_name }}

	- name: Sign
	id: sign
	shell: bash
	run: \|
	cosign sign --yes ghcr.io/${{ github.repository }}@${{ steps.build_and_push.outputs.digest }}

	- name: Verify
	id: verify
	run: \|
	cosign verify \
	--certificate-oidc-issuer=https://token.actions.githubusercontent.com \
	--certificate-identity=https://github.com/${{ github.repository }}/.github/workflows/release.yml@refs/tags/${{ github.ref_name }} \
	ghcr.io/${{ github.repository }}@${{ steps.build_and_push.outputs.digest }}

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