name: Build and Push PHP Container Image

on:
  push:
    branches: [main]          # or master / your default branch
  # Optional: also on tags
  # tags: ['v*']

jobs:
  build-and-push:
    runs-on: ubuntu-latest
    # Recommended for Docker build tools on many self-hosted runners
    container:
      image: catthehacker/ubuntu:act-latest
    env:
      REGISTRY: gitea.example.com          # ← your Gitea hostname (no https://)
      IMAGE_NAME: ${{ gitea.repository }}  # owner/repo style, or hard-code owner/image
      # Or: IMAGE_NAME: myuser/php-website

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

      - name: Set up QEMU (for multi-arch, optional)
        uses: docker/setup-qemu-action@v3

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
        # Only needed if your Gitea registry is HTTP / self-signed:
        # with:
        #   config-inline: |
        #     [registry."gitea.example.com"]
        #       http = true
        #       insecure = true

      - name: Login to Gitea Container Registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ secrets.REGISTRY_USERNAME }}
          password: ${{ secrets.REGISTRY_PASSWORD }}

      - name: Extract metadata / tags
        id: meta
        run: |
          echo "VERSION=$(git describe --tags --always 2>/dev/null || echo ${{ gitea.sha }})" >> $GITHUB_OUTPUT
          # or simply use latest + sha

      - name: Build and push
        uses: docker/build-push-action@v6
        with:
          context: .
          file: ./Dockerfile
          push: true
          tags: |
            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest
            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ gitea.sha }}
            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ steps.meta.outputs.VERSION }}
          # platforms: linux/amd64,linux/arm64   # uncomment for multi-arch
          # cache-from: type=registry,ref=...
          # cache-to: type=registry,ref=...,mode=max