build-and-push.yaml

name: Build and Push

on:
  push:
    branches:
      - main
    tags:
      - 'v*'
  workflow_dispatch:

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: decocms/operator

jobs:
  verify-helm:
    name: Verify Helm Chart is Synced
    runs-on: ubuntu-latest
    
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version: '1.21'

      - name: Install Kustomize
        run: |
          curl -s "https://raw.githubusercontent.com/kubernetes-sigs/kustomize/master/hack/install_kustomize.sh" | bash
          sudo mv kustomize /usr/local/bin/

      - name: Verify Helm chart is up to date
        run: make helm-verify

  build-and-push:
    name: Build and Push Multi-Platform Image
    runs-on: ubuntu-latest
    needs: verify-helm
    # Only run on tags, not on every push (build locally instead)
    if: startsWith(github.ref, 'refs/tags/v')
    permissions:
      contents: read
      packages: write
    
    outputs:
      image: ${{ steps.meta.outputs.tags }}
      digest: ${{ steps.build.outputs.digest }}
    
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

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

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

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

      - name: Extract metadata (tags, labels)
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=ref,event=branch
            type=ref,event=pr
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=semver,pattern={{major}}
            type=sha
            type=raw,value=latest,enable={{is_default_branch}}

      - name: Build and push Docker image
        id: build
        uses: docker/build-push-action@v6
        with:
          context: .
          platforms: linux/amd64,linux/arm64
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max

      - name: Image pushed successfully
        run: |
          echo "✅ Image pushed: ${{ steps.meta.outputs.tags }}"

  package-helm:
    name: Package and Release Helm Chart
    runs-on: ubuntu-latest
    needs: build-and-push
    if: startsWith(github.ref, 'refs/tags/v')
    permissions:
      contents: write
      packages: write

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

      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version: '1.21'

      - name: Extract version from tag
        id: version
        run: echo "VERSION=${GITHUB_REF_NAME#v}" >> "$GITHUB_OUTPUT"

      - name: Package Helm chart
        run: |
          make helm
          mkdir -p dist
          helm package chart/ -d dist/ --version ${{ steps.version.outputs.VERSION }} --app-version ${{ steps.version.outputs.VERSION }}
          ls -lh dist/*.tgz

      - name: Push Helm chart to GHCR
        run: |
          helm registry login ghcr.io -u ${{ github.actor }} -p ${{ secrets.GITHUB_TOKEN }}
          helm push dist/deco-operator-${{ steps.version.outputs.VERSION }}.tgz oci://ghcr.io/decocms

      - name: Upload Helm chart to release
        uses: softprops/action-gh-release@v2
        with:
          files: dist/*.tgz
          fail_on_unmatched_files: true