Docker Image CI/CD #7
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| name: Docker Image CI/CD | |
| # 当推送到 main 分支时自动触发 | |
| # 也可以手动触发，允许输入自定义 tagname | |
| on: | |
| push: | |
| branches: [master] | |
| workflow_dispatch: | |
| inputs: | |
| tagname: | |
| description: "Custom Docker image tag (e.g., v1.0.0). If empty, uses commit SHA." | |
| required: false | |
| type: string | |
| jobs: | |
| build_and_publish: | |
| runs-on: ubuntu-latest | |
| permissions: | |
| contents: read # 允许读取仓库内容 | |
| packages: write # 如果推送到 GitHub Packages Registry (ghcr.io) 则需要此权限，Docker Hub 不需要但保留无害 | |
| steps: | |
| - name: Checkout repository | |
| uses: actions/checkout@v4 | |
| - name: Set up Docker Buildx | |
| uses: docker/setup-buildx-action@v3 | |
| - name: Login to Docker Hub | |
| uses: docker/login-action@v3 | |
| with: | |
| username: ${{ secrets.DOCKER_USERNAME }} | |
| password: ${{ secrets.DOCKER_PASSWORD }} # 使用 GitHub Secrets 存储 Docker Hub 密码或访问令牌 | |
| - name: Set up image tags | |
| id: set_tags | |
| run: | | |
| IMAGE_NAME="gamernotitle/welearn-brain-burst" | |
| CUSTOM_TAG="${{ github.event.inputs.tagname }}" # 从 workflow_dispatch 获取自定义标签 | |
| COMMIT_SHA_SHORT=$(echo "${{ github.sha }}" | cut -c1-7) # 获取短 SHA | |
| # 默认标签总是包含短 SHA | |
| ALL_TAGS="$IMAGE_NAME:$COMMIT_SHA_SHORT" | |
| # 如果提供了自定义标签，则添加自定义标签 | |
| if [ -n "$CUSTOM_TAG" ]; then | |
| ALL_TAGS="$ALL_TAGS,$IMAGE_NAME:$CUSTOM_TAG" | |
| echo "Using custom tag: $CUSTOM_TAG" | |
| else | |
| echo "No custom tag provided, using commit SHA: $COMMIT_SHA_SHORT" | |
| # 如果是推送到 main 分支且没有自定义标签，则添加 'latest' 标签 | |
| if [[ "${{ github.ref }}" == "refs/heads/main" ]]; then | |
| ALL_TAGS="$ALL_TAGS,$IMAGE_NAME:latest" | |
| echo "Adding 'latest' tag for main branch push." | |
| fi | |
| fi | |
| echo "Generated tags: $ALL_TAGS" | |
| # 将生成的标签字符串设置为步骤输出，供后续步骤使用 | |
| echo "tags=$ALL_TAGS" >> "$GITHUB_OUTPUT" | |
| - name: Build and push Docker image | |
| uses: docker/build-push-action@v5 | |
| with: | |
| context: . | |
| push: true | |
| tags: ${{ steps.set_tags.outputs.tags }} |