name: Check docker image

on:
  push:
    branches:
      - 'main'
  schedule:
    - cron:  '0 6 * * *'

jobs:
  docker:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Login to Gitea
        uses: docker/login-action@v3
        with:
          registry: gitea.crovaxon.de
          username: ${{ secrets.REGISTRY_USERNAME }}
          password: ${{ secrets.REGISTRY_PASS }}
        if: steps.check.outputs.needs-updating == 'true'

      - name: Check if update available
        id: check
        uses: lucacome/docker-image-update-checker@v1
        with:
          base-image: node:20-alpine
          image: gitea.crovaxon.de/crovaxon/foundryvtt-docker:latest

      - name: Build and push
        uses: docker/build-push-action@v5
        with:
          context: .
          push: true
          tags: gitea.crovaxon.de/crovaxon/foundryvtt-docker
        if: steps.check.outputs.needs-updating == 'true'