构建并推送 Docker 镜像 #30
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| # 工作流名称 | |
| name: 构建并推送 Docker 镜像 | |
| # 定义触发工作流的条件 | |
| on: | |
| push: | |
| branches: [ "main" ] # 只在 main 分支上触发 | |
| paths: | |
| - 'Dockerfile' # 当 Dockerfile 发生变化时触发 | |
| - 'version' # 当 version 文件发生变化时触发 | |
| pull_request: | |
| branches: [ "main" ] # 当对 main 分支发起 pull request 时触发 | |
| workflow_dispatch: # 允许手动触发工作流 | |
| # 环境变量 | |
| env: | |
| IMAGE_NAME: rss2tg # Docker 镜像名称 | |
| # 定义工作流中的任务 | |
| jobs: | |
| build-and-push: | |
| runs-on: ubuntu-latest # 在最新版本的 Ubuntu 上运行 | |
| steps: | |
| # 步骤1: 检出代码 | |
| - name: 检出代码 | |
| uses: actions/checkout@v2 | |
| # 步骤2: 读取版本号 | |
| - name: 读取版本号 | |
| id: get_version | |
| run: echo "VERSION=$(cat version)" >> $GITHUB_OUTPUT | |
| # 步骤3: 设置 QEMU（用于多架构构建） | |
| - name: 设置 QEMU | |
| uses: docker/setup-qemu-action@v1 | |
| # 步骤4: 设置 Docker Buildx（用于构建 Docker 镜像） | |
| - name: 设置 Docker Buildx | |
| uses: docker/setup-buildx-action@v1 | |
| # 步骤5: 登录到 GitHub Container Registry | |
| - name: 登录到 GitHub Container Registry | |
| uses: docker/login-action@v1 | |
| with: | |
| registry: ghcr.io | |
| username: ${{ github.repository_owner }} | |
| password: ${{ secrets.GITHUB_TOKEN }} | |
| # 新步骤: 登录到 DockerHub | |
| - name: 登录到 DockerHub | |
| uses: docker/login-action@v1 | |
| with: | |
| username: ${{ secrets.DOCKERHUB_USERNAME }} | |
| password: ${{ secrets.DOCKERHUB_TOKEN }} | |
| # 步骤6: 构建并推送 Docker 镜像到 GitHub Container Registry 和 DockerHub | |
| - name: 构建并推送 | |
| uses: docker/build-push-action@v2 | |
| with: | |
| context: . # 构建上下文为当前目录 | |
| push: true # 推送镜像到仓库 | |
| platforms: linux/amd64,linux/arm64 # 构建多架构镜像 | |
| tags: | # 定义镜像标签 | |
| ghcr.io/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}:latest | |
| ghcr.io/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}:${{ steps.get_version.outputs.VERSION }} | |
| ${{ secrets.DOCKERHUB_USERNAME }}/${{ env.IMAGE_NAME }}:latest | |
| ${{ secrets.DOCKERHUB_USERNAME }}/${{ env.IMAGE_NAME }}:${{ steps.get_version.outputs.VERSION }} |