name: Build Multi-Arch Docker Image

on:
  push:
    tags:
      - 'v*.*.*'
  workflow_dispatch:

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
      - name: Check out repository
        uses: actions/checkout@v4

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

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

      - name: Login to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Extract version from tag
        id: version
        run: echo "VERSION=${GITHUB_REF#refs/tags/v}" >> $GITHUB_OUTPUT

      - name: Build and push multi-arch image
        uses: docker/build-push-action@v5
        with:
          context: .
          file: ./dockerfile
          platforms: linux/amd64,linux/arm64
          push: true
          tags: |
            curly60e/pyblock:${{ steps.version.outputs.VERSION }}
            curly60e/pyblock:latest
          cache-from: type=gha
          cache-to: type=gha,mode=max