docker-build-push.yml

name: Build and Push Docker Image

on:
  push:
    tags:
      - 'v*'          # 推送任何 v 开头的 tag 时触发，如 v1.0, v1.1
  workflow_dispatch:  # 支持手动触发

jobs:
  build-and-push:
    runs-on: ubuntu-latest
    
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

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

      - name: Log in 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: |
          VERSION=${GITHUB_REF_NAME}
          echo "version=$VERSION" >> $GITHUB_OUTPUT
          echo "Building version: $VERSION"

      - name: Build and push Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          file: ./Dockerfile
          push: true
          tags: |
            pythonhuang/juggle-net8:${{ steps.version.outputs.version }}
            pythonhuang/juggle-net8:latest
          # 多平台支持（可选，移除 linux/arm64 可加快构建速度）
          platforms: linux/amd64
          cache-from: type=gha
          cache-to: type=gha,mode=max
          build-args: |
            BUILD_DATE=${{ github.event.repository.updated_at }}
            GIT_COMMIT=${{ github.sha }}

      - name: Image digest
        run: echo "Image pushed with digest ${{ steps.docker_build.outputs.digest }}"