name: Build and Push Docker Image

on:
  push:
    branches: [ "main", "master" ]

env:
  # Gitea automatically sets GITEA_REPOSITORY to "owner/repo"
  IMAGE_NAME: ${{ gitea.repository }}

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

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

      - name: Log in to the Container registry
        # Gitea's built-in container registry is usually on the same host
        uses: docker/login-action@v3
        with:
          registry: git.home.piesweb.co.uk
          username: ${{ gitea.actor }}
          password: ${{ secrets.GITEA_TOKEN }}

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: git.home.piesweb.co.uk/${{ env.IMAGE_NAME }}

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