name: Build & Push Docker image

on:
  push:
    branches:
      - master
  schedule:
    - cron: '0 15 1 * *'  # Jeden 1. des Monats um 15:00 UTC 

jobs:
  docker-build:
    runs-on: ubuntu-22.04
    steps:
      - name: Checkout repository
        uses: actions/checkout@v3
        with:
          ref: master
          fetch-depth: 0

      - name: Debug network
        run: |
          curl -v https://localregistry.nauheimtech.de/v2/
          ip route    

      - name: Set up Docker buildx
        uses: docker/setup-buildx-action@v3

      - name: Login to registry
        if: ${{ secrets.REGISTRY_USER != '' }}
        uses: docker/login-action@v3
        with:
          registry: localregistry.nauheimtech.de
          username: ${{ secrets.REGISTRY_USER }}
          password: ${{ secrets.REGISTRY_PASSWORD }}

      - name: Extract variables
        id: vars
        run: |
          echo "date_tag=$(date +'%Y%m%d')" >> $GITHUB_OUTPUT

      - name: Build and tag image
        run: |
          IMAGE_REPO="localregistry.nauheimtech.de/send2ereader"
          docker build --no-cache \
            -t ${IMAGE_REPO}:${{ steps.vars.outputs.date_tag }} \
            -t ${IMAGE_REPO}:latest \
            .

      - name: Push image to local registry
        run: |
          IMAGE_REPO="localregistry.nauheimtech.de/send2ereader"
          docker push ${IMAGE_REPO}:${{ steps.vars.outputs.date_tag }}
          docker push ${IMAGE_REPO}:latest