build-and-push.yaml

name: 'Build and push container image'

on:
  push:
    branches:
    - 'master'
    - 'k8s'

jobs:
  build-and-push:
    name: 'Build and push container image'
    runs-on: ubuntu-latest

    # Checkout the repository to the GitHub Actions runner
    steps:
    - name: Checkout
      uses: actions/checkout@v2

    # https://github.com/docker/setup-qemu-action
    - name: Set up QEMU
      uses: docker/setup-qemu-action@v1

    # https://github.com/docker/setup-buildx-action
    - name: Set up Docker Buildx
      id: buildx
      uses: docker/setup-buildx-action@v1

    # gcloud CLI setup
    - name: Login to GCP
      uses: google-github-actions/setup-gcloud@v0
      with:
        service_account_key: ${{ secrets.DEV_SA_KEY }}
        project_id: ${{ secrets.SV_PROJ_NAME }}
        export_default_credentials: true

     # Configure Docker to use the gcloud command-line tool as a credential helper for authentication
    - run: gcloud --quiet auth configure-docker us-central1-docker.pkg.dev
    
    - name: Docker meta
      id: meta # you'll use this in the next step
      uses: docker/metadata-action@v3
      with:
        images: |
          us-central1-docker.pkg.dev/skyviewer/public-images/craft-base-image
        flavor: |
          latest=true
          prefix=
          suffix=
        tags: |
          type=ref,event=branch
          type=ref,event=pr
          type=sha
    
    - name: Build and push
      uses: docker/build-push-action@v2
      with:
        context: .
        platforms: linux/amd64
        push: ${{ github.event_name != 'pull_request' }}
        tags: ${{ steps.meta.outputs.tags }}
        labels: ${{ steps.meta.outputs.labels }}