Build and Push Docker Image #1947
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| name: 自动构建与发布 | |
| on: | |
| # 1. 定时触发：每小时检查一次 | |
| schedule: | |
| - cron: '0 * * * *' | |
| # 2. 发布触发：当你在 GitHub 页面点击 "Publish release" 时触发 | |
| # 这比单纯的 push tags 更正式，适合你写版本公告 | |
| release: | |
| types: [published] | |
| # 3. 手动触发 | |
| workflow_dispatch: | |
| jobs: | |
| build-and-push: | |
| runs-on: ubuntu-latest | |
| permissions: | |
| contents: read | |
| packages: write | |
| steps: | |
| - name: 检出代码 | |
| uses: actions/checkout@v4 | |
| with: | |
| fetch-depth: 0 | |
| # --- 智能检查逻辑 --- | |
| - name: 检查是否需要构建 | |
| id: check | |
| run: | | |
| # 默认为 true (发布新版本或手动触发时，必须构建) | |
| echo "should_build=true" >> $GITHUB_OUTPUT | |
| # 只有在【定时任务】时，才检查代码是否有更新 | |
| if [ "${{ github.event_name }}" == "schedule" ]; then | |
| LAST_COMMIT=$(git log -1 --format=%ct) | |
| NOW=$(date +%s) | |
| DIFF=$((NOW - LAST_COMMIT)) | |
| # 检查过去 65 分钟内是否有代码提交 | |
| if [ "$DIFF" -gt 3900 ]; then | |
| echo "No changes detected in the last hour." | |
| echo "should_build=false" >> $GITHUB_OUTPUT | |
| fi | |
| fi | |
| - name: 配置 QEMU (多架构支持) | |
| if: steps.check.outputs.should_build == 'true' | |
| uses: docker/setup-qemu-action@v3 | |
| - name: 配置 Docker Buildx | |
| if: steps.check.outputs.should_build == 'true' | |
| uses: docker/setup-buildx-action@v3 | |
| - name: 登录 GHCR | |
| if: steps.check.outputs.should_build == 'true' | |
| uses: docker/login-action@v3 | |
| with: | |
| registry: ghcr.io | |
| username: ${{ github.actor }} | |
| password: ${{ secrets.GITHUB_TOKEN }} | |
| # --- 核心：标签管理 (已按你的要求简化) --- | |
| - name: 生成 Docker 标签 | |
| if: steps.check.outputs.should_build == 'true' | |
| id: meta | |
| uses: docker/metadata-action@v5 | |
| with: | |
| images: ghcr.io/${{ github.repository }} | |
| # 这里的逻辑是自动化的： | |
| # 1. 如果是定时任务 (schedule)，只会生成 :latest | |
| # 2. 如果是发布版本 (release v1.0)，会生成 :1.0 和 :latest | |
| tags: | | |
| type=raw,value=latest | |
| type=semver,pattern={{version}} | |
| type=semver,pattern={{major}}.{{minor}} | |
| - name: 构建并推送 | |
| if: steps.check.outputs.should_build == 'true' | |
| uses: docker/build-push-action@v5 | |
| with: | |
| context: . | |
| file: ./Dockerfile | |
| push: true | |
| pull: true | |
| # 引用上面生成的标签 | |
| tags: ${{ steps.meta.outputs.tags }} | |
| labels: ${{ steps.meta.outputs.labels }} | |
| # 自动构建 amd64 和 arm64，生成统一的 Manifest | |
| platforms: linux/amd64,linux/arm64 | |
| cache-from: type=gha | |
| cache-to: type=gha,mode=max |