push-to-registry/.github/workflows/ghcr-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: Push to GHCR
on:
  push:
  workflow_dispatch:
  schedule:
    - cron: '0 0 * * *'  # every day at midnight
env:
    IMAGE_NAME: ptr-test
    IMAGE_TAGS: v1 ${{ github.sha }}
    IMAGE_REGISTRY: ghcr.io/${{ github.repository_owner }}
    REGISTRY_USER: ${{ github.actor }}
    REGISTRY_PASSWORD: ${{ github.token }}

jobs:
  push-ghcr:
    name: Build and push image
    runs-on: ubuntu-22.04
    strategy:
      fail-fast: false
      matrix:
        install_latest: [ true, false ]

    steps:
      # Checkout push-to-registry action github repository
      - name: Checkout Push to Registry action
        uses: actions/checkout@v4

      - name: Install latest podman
        if: matrix.install_latest
        run: |
          bash .github/install_latest_podman.sh

      # Build image using Buildah action
      - name: Build Image
        id: build_image
        uses: redhat-actions/buildah-build@v2
        with:
          image: ${{ env.IMAGE_NAME }}
          tags: ${{ env.IMAGE_TAGS }}
          base-image: busybox:latest
          entrypoint: |
            bash
            -c
            echo 'hello world'
          oci: true

      # Push the image to GHCR (Image Registry)
      - name: Push To GHCR
        uses: ./
        id: push
        with:
          image: ${{ steps.build_image.outputs.image }}
          tags: ${{ steps.build_image.outputs.tags }}
          registry: ${{ env.IMAGE_REGISTRY }}
          username: ${{ env.REGISTRY_USER }}
          password: ${{ env.REGISTRY_PASSWORD }}
          extra-args: |
            --disable-content-trust

      - name: Echo outputs
        run: |
          echo "${{ toJSON(steps.push.outputs) }}"