docker-build-tag.yml

# Copyright The Linux Foundation and each contributor to LFX.
# SPDX-License-Identifier: MIT

name: Docker Build - Release

on:
  push:
    tags:
      - v*

permissions:
  contents: read

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}
  COSIGN_VERSION: v2.5.3
  HELM_VERSION: v3.18.4

jobs:
  build-and-push:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
      id-token: write
    outputs:
      app_version: ${{ steps.prepare.outputs.app_version }}
      chart_name: ${{ steps.prepare.outputs.chart_name }}
      chart_version: ${{ steps.prepare.outputs.chart_version }}

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Prepare versions and chart name
        id: prepare
        run: |
          set -euo pipefail
          APP_VERSION=$(echo ${{ github.ref_name }} | sed 's/v//g')
          CHART_NAME="$(yq '.name' charts/*/Chart.yaml)"
          CHART_VERSION="$(yq '.version' charts/*/Chart.yaml)"
          {
            echo "app_version=$APP_VERSION"
            echo "chart_name=$CHART_NAME"
            echo "chart_version=$CHART_VERSION"
          } >> "$GITHUB_OUTPUT"

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

      - name: Log in to Container Registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}

      - name: Build and push Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          platforms: linux/amd64,linux/arm64
          cache-from: type=gha
          cache-to: type=gha,mode=max
          build-args: |
            BUILD_ENV=production

  release-helm-chart:
    needs: build-and-push
    runs-on: ubuntu-latest
    permissions:
      contents: write
      packages: write
      id-token: write
    outputs:
      digest: ${{ steps.publish-ghcr.outputs.digest }}
      image_name: ${{ steps.publish-ghcr.outputs.image_name }}
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Publish Chart to GHCR
        id: publish-ghcr
        uses: linuxfoundation/lfx-public-workflows/.github/actions/helm-chart-oci-publisher@c465d6571fa0b8be9d551d902955164ea04a00af # main
        with:
          name: ${{ needs.build-and-push.outputs.chart_name }}
          repository: ${{ github.repository }}/chart
          chart_version: ${{ needs.build-and-push.outputs.chart_version }}
          app_version: ${{ needs.build-and-push.outputs.app_version }}
          registry: ghcr.io
          registry_username: ${{ github.actor }}
          registry_password: ${{ secrets.GITHUB_TOKEN }}

      - name: Install Cosign
        uses: sigstore/cosign-installer@d58896d6a1865668819e1d91763c7751a165e159 # v3.9.2
        with:
          cosign-release: "${{ env.COSIGN_VERSION }}"

      - name: Login to GitHub
        uses: docker/login-action@74a5d142397b4f367a81961eba4e8cd7edddf772 # v3.4.0
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Sign the Helm chart in GHCR
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          set -euo pipefail
          cosign sign --yes '${{ steps.publish-ghcr.outputs.image_name }}@${{ steps.publish-ghcr.outputs.digest }}'

  create-ghcr-helm-provenance:
    needs:
      - release-helm-chart
    permissions:
      actions: read
      id-token: write
      packages: write
    uses: slsa-framework/slsa-github-generator/.github/workflows/generator_container_slsa3.yml@v2.1.0
    with:
      image: ${{ needs.release-helm-chart.outputs.image_name }}
      digest: ${{ needs.release-helm-chart.outputs.digest }}
      registry-username: ${{ github.actor }}
    secrets:
      registry-password: ${{ secrets.GITHUB_TOKEN }}