name: Build and Push Docker Images
on:
  schedule:
    - cron: '0 0 1 *'*  # Run monthly on the 1st
  workflow_dispatch:  # Allow manual triggers
env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}
  TAG_DATE: ${{ format('{0}{1}{2}', github.event.repository.pushed_at.substring(0,4), github.event.repository.pushed_at.substring(5,7), github.event.repository.pushed_at.substring(8,10)) }}
jobs:
  build-and-push:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
      
      - name: Set current date
        id: date
        run: echo "DATE=$(date +'%Y%m%d')" >> $GITHUB_ENV

      - name: Log in to the Container registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata for Docker
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=raw,value=latest
            type=raw,value=${{ env.DATE }}

      - name: Build and push regular image
        uses: docker/build-push-action@v5
        with:
          context: .
          file: ./Dockerfile
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}

      - name: Build and push Alpine image
        uses: docker/build-push-action@v5
        with:
          context: .
          file: ./Dockerfile-alpine
          push: true
          tags: |
            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:alpine
            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:alpine-${{ env.DATE }}
          labels: ${{ steps.meta.outputs.labels }}