hyperlane-monorepo/.github/workflows/docker.yml

name: Push to GCR GitHub Action
on: 
  push:
    branches:
      - '**'
    tags:
      - '**'
  # pull_request:
  #   branches:
  #     - 'main'
jobs:
  build-and-push-to-gcr:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      -
        name: Docker meta
        id: meta
        uses: docker/metadata-action@v3
        with:
          # list of Docker images to use as base name for tags
          images: |
            gcr.io/clabs-optics/optics-agent
          # generate Docker tags based on the following events/attributes
          tags: |
            type=ref,event=branch
            type=ref,event=pr
            type=sha
      - 
        name: Login to GCR
        uses: docker/login-action@v1
        with:
          registry: gcr.io
          username: _json_key
          password: ${{ secrets.GCLOUD_SERVICE_KEY }}
      -
        name: Build and push
        uses: docker/build-push-action@v2
        env: 
          DOCKER_BUILDKIT: 1
        with:
          context: ./rust
          file: ./rust/Dockerfile
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}