docker-publish.yaml

name: Docker

on:
  push:

env:
  REGISTRY: ghcr.io
  # github.repository as <account>/<repo>
  IMAGE_NAME: IBM/kind-node
  VERSION: v1.26.2
  KIND_VERSION: v0.17.0


jobs:
  build:
    runs-on: ubuntu-latest
    permissions:
      packages: write
    strategy:
      fail-fast: false
 
    steps:
      - name: Checkout repository
        uses: actions/checkout@v3
        
      - name: make sure repository is lowercase
        run: echo "IMAGE_NAME=${IMAGE_NAME,,}" >>${GITHUB_ENV}

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v2

      - name: Login to GitHub Container Registry
        uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ github.token }}

      - name: Install kind
        run: |
          curl -Lo ./kind https://kind.sigs.k8s.io/dl/${{ env.KIND_VERSION }}/kind-linux-amd64
          chmod +x ./kind
          sudo mv ./kind /usr/local/bin/kind
      - name: Build kind image
        run: |
          mkdir -p tmp/kubernetes
          git clone --single-branch --branch v1.26.2 https://github.com/kubernetes/kubernetes tmp/kubernetes
          kind build node-image $PWD/tmp/kubernetes --arch ppc64le --image ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ env.VERSION }}
     
      - name: Publish image
        if: github.event_name != 'pull_request'
        run: |
          docker push ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ env.VERSION }}
          docker image tag ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ env.VERSION }} ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest
          docker image push ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest