name: Build & Push (Multi-Arch)
on:
  push:
    branches: [ "main" ]
    tags: [ "v*" ]

jobs:
  docker:
    runs-on: [docker]
    steps:
      - name: Checkout
        uses: actions/checkout@v4

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

      - name: Login to Registry
        uses: docker/login-action@v3
        with:
          registry: git.j-massing.de
          username: ${{ secrets.REGISTRY_USER }}
          password: ${{ secrets.REGISTRY_TOKEN }}

      - name: Build & Push (manifest)
        run: |
          IMAGE="git.j-massing.de/hammerfall/ipv6client"
          TAG="${GITHUB_REF_NAME:-latest}"
          docker buildx build \
            --platform linux/arm64/v8 \
            -t "$IMAGE:$TAG" \
            -t "$IMAGE:latest" \
            --push .