push-to-registry/.github/workflows/verify-push.yaml

# This workflow will perform a test whenever there
# is some change in code done to ensure that the changes
# are not buggy and we are getting the desired output.
name: Test Build and Push
on: [ push, workflow_dispatch ]
env:
  IMAGE_NAME: myimage
  IMAGE_REGISTRY: quay.io
  IMAGE_TAGS: v1 ${{ github.sha }}

jobs:
  build:
    name: Push image to Quay.io
    runs-on: ubuntu-20.04
    steps:
      # Checkout push-to-registry action github repository
      - name: Checkout Push to Registry action
        uses: actions/checkout@v2

      - name: Build Image using Docker
        run: |
          docker build -t ${{ env.IMAGE_NAME }}:v1 -<<EOF
          FROM busybox
          RUN echo "hello world"
          EOF
          docker tag ${{ env.IMAGE_NAME }}:v1 ${{ env.IMAGE_NAME }}:${{ github.sha }}          

      # Push the image to image registry
      - name: Push To Quay
        uses: ./
        id: push
        with:
          image: ${{ env.IMAGE_NAME }}
          tags: ${{ env.IMAGE_TAGS }}
          registry: ${{ env.IMAGE_REGISTRY }}/${{ secrets.REGISTRY_USER }}
          username: ${{ secrets.REGISTRY_USER }}
          password: ${{ secrets.REGISTRY_PASSWORD }}

      - name: Echo outputs
        run: |
          echo "Digest: ${{ steps.push.outputs.digest }}"
          echo "Registry Paths: ${{ steps.push.outputs.registry-paths }}"