cron-docker-rebuild.yml

name: Regular base image update check

on:
  workflow_dispatch:
  schedule:
    - cron:  '0 1 * * *'

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ghcr.io/georg-jung/blazorwol:latest
  BASE_IMAGE: mcr.microsoft.com/dotnet/aspnet:7.0

jobs:
  check_base_image_updated:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: read
    outputs:
      image-needs-updating: ${{ steps.check.outputs.needs-updating }}
      build-ref: ${{ steps.latestrelease.outputs.releasetag }}
    steps:
      - name: Docker Image Update Checker
        id: check
        uses: georg-jung/docker-image-update-checker@main
        with:
          base-image: ${{ env.BASE_IMAGE }}
          image: ${{ env.IMAGE_NAME }}
          github_token: ${{ secrets.GITHUB_TOKEN }}
          verbose: true
      - name: get latest release with tag
        id: latestrelease
        run: |
          echo "releasetag=$(curl --header 'authorization: Bearer ${{ secrets.GITHUB_TOKEN }}' -s ${{ github.api_url }}/repos/${{ github.repository }}/releases/latest | jq '.tag_name' | sed 's/\"//g')" \
             >> $GITHUB_OUTPUT
        if: steps.check.outputs.needs-updating == 'true'
      - name: echo release tag
        run: |
          echo ${{ steps.latestrelease.outputs.releasetag }}
        if: steps.check.outputs.needs-updating == 'true'
  call_rebuild:
    needs: check_base_image_updated
    if: ${{ needs.check_base_image_updated.outputs.image-needs-updating == 'true' }}
    uses: ./.github/workflows/docker-build-and-push.yml
    with:
      dockerfile: ./Dockerfile
      push: true
      build-ref: ${{ needs.check_base_image_updated.outputs.build-ref }}