name: Build and Push Docker Image

on:
  workflow_dispatch:
  push:
    branches:
      - main

jobs:
  build-and-push:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Set registry URL
        id: registry
        run: |
          if [ "${{ github.server_url }}" = "https://github.com" ]; then
            echo "url=ghcr.io" >> $GITHUB_OUTPUT
          else
            echo "url=${{ github.server_url }}" | sed 's|https://||' >> $GITHUB_OUTPUT
          fi

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

      - name: Log in to Container Registry
        uses: docker/login-action@v3
        with:
          registry: ${{ steps.registry.outputs.url }}
          username: ${{ github.actor }}
          password: ${{ secrets.PACKAGE_TOKEN || secrets.GITHUB_TOKEN }}

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

      - name: Build and push multi-arch Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          push: true
          platforms: linux/amd64,linux/arm64
          tags: |
            ${{ steps.registry.outputs.url }}/${{ github.repository }}:latest
            ${{ steps.registry.outputs.url }}/${{ github.repository }}:${{ github.sha }}
          cache-from: type=registry,ref=${{ steps.registry.outputs.url }}/${{ github.repository }}:buildcache
          cache-to: type=registry,ref=${{ steps.registry.outputs.url }}/${{ github.repository }}:buildcache,mode=max
          #cache-from: type=gha
          #cache-to: type=gha,mode=max

      # --- AUTOMATIC REPOSITORY LINKING ---
      # This label adds an OCI annotation that Gitea uses to automatically
      # link the package to the repository source code.
          labels: org.opencontainers.image.source=${{ github.server_url }}/${{ github.repository }}