update.yaml

name: check container image

on:
  schedule:
    - cron:  '0 0 * * *'

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: mkumatag/hello-world

jobs:
  hello_world_job:
    runs-on: ubuntu-latest
    name: Check if container image update required
    steps:
      - name: Checkout repository
        uses: actions/checkout@v2

      - name: Container Image Updater
        id: check
        uses: mkumatag/container-image-updater-action@v1.0.5
        with:
          base-image: 'registry.access.redhat.com/ubi8/ubi-minimal:latest'
          image: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest

      - name: Image update
        run: echo "Image update required ${{ steps.check.outputs.needs-update }}"

      - name: Log in to the Container registry
        uses: docker/login-action@v1.10.0
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and push Docker image
        uses: docker/build-push-action@v2
        with:
          context: .
          file: Dockerfile
          push: true
          tags: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest
        if: steps.check.outputs.needs-update == 'true'