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# .gitea/workflows/reusable-docker-build.yml
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name: Reusable Docker Build
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on:
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workflow_call:
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inputs:
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dockerfile:
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description: 'Dockerfile 路径（相对于仓库根目录）'
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required: true
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type: string
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context:
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description: '构建上下文路径（相对于仓库根目录）'
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required: false
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type: string
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default: '.'
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image_name:
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description: 'Docker 镜像名称（不含标签）'
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required: true
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type: string
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image_tag:
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description: 'Docker 镜像标签/版本'
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required: true
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type: string
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checkout_ref:
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description: '要检出的分支或标签'
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required: false
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type: string
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default: ''
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enable_cache:
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description: '是否启用 Docker 构建缓存'
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required: false
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type: boolean
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default: true
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build_args:
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description: 'Docker 构建参数（每行一个，格式: KEY=VALUE）'
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required: false
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type: string
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default: ''
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jobs:
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build:
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runs-on: ubuntu-latest
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steps:
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- name: Checkout code
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uses: actions/checkout@v4
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with:
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ref: ${{ inputs.checkout_ref || github.ref }}
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fetch-depth: 0
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- name: Set up Docker Buildx
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uses: docker/setup-buildx-action@v3
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- name: Cache Docker layers
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if: ${{ inputs.enable_cache }}
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uses: actions/cache@v3
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with:
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path: /tmp/.buildx-cache
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key: ${{ runner.os }}-buildx-${{ inputs.image_name }}-${{ github.sha }}
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restore-keys: |
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${{ runner.os }}-buildx-${{ inputs.image_name }}-
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${{ runner.os }}-buildx-
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- name: Prepare build arguments
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id: prepare
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run: |
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echo "====== 准备构建参数 ======"
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DOCKERFILE="${{ inputs.dockerfile }}"
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CONTEXT="${{ inputs.context }}"
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IMAGE_NAME="${{ inputs.image_name }}"
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IMAGE_TAG="${{ inputs.image_tag }}"
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FULL_IMAGE="${IMAGE_NAME}:${IMAGE_TAG}"
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echo "Dockerfile: $DOCKERFILE"
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echo "Context: $CONTEXT"
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echo "Image: $FULL_IMAGE"
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# 验证 Dockerfile 存在
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if [ ! -f "$DOCKERFILE" ]; then
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echo "✗ Dockerfile 不存在: $DOCKERFILE"
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exit 1
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fi
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# 验证上下文目录存在
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if [ ! -d "$CONTEXT" ]; then
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echo "✗ 构建上下文目录不存在: $CONTEXT"
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exit 1
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fi
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echo "✓ 构建参数验证通过"
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echo ""
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# 设置输出变量
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echo "full_image=$FULL_IMAGE" >> $GITHUB_OUTPUT
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# 处理构建参数
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BUILD_ARGS=""
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if [ -n "${{ inputs.build_args }}" ]; then
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echo "====== 构建参数 ======"
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while IFS= read -r line; do
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if [ -n "$line" ]; then
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echo " $line"
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BUILD_ARGS="$BUILD_ARGS --build-arg $line"
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fi
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done <<< "${{ inputs.build_args }}"
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echo ""
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fi
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echo "build_args=$BUILD_ARGS" >> $GITHUB_OUTPUT
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- name: Build Docker image
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run: |
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echo "====== 开始构建 Docker 镜像 ======"
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echo "构建时间: $(date '+%Y-%m-%d %H:%M:%S')"
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echo "分支: ${{ github.ref_name }}"
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echo "提交: ${{ github.sha }}"
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if [ -n "${{ github.event.head_commit.message }}" ]; then
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echo "提交信息: ${{ github.event.head_commit.message }}"
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echo "提交者: ${{ github.event.head_commit.author.name }}"
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fi
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echo ""
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echo "====== 构建配置 ======"
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echo "镜像: ${{ steps.prepare.outputs.full_image }}"
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echo "Dockerfile: ${{ inputs.dockerfile }}"
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echo "Context: ${{ inputs.context }}"
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echo ""
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# 构建命令
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BUILD_CMD="docker build \
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-t ${{ steps.prepare.outputs.full_image }} \
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-f ${{ inputs.dockerfile }} \
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${{ steps.prepare.outputs.build_args }} \
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${{ inputs.context }}"
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echo "执行命令:"
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echo "$BUILD_CMD"
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echo ""
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# 执行构建
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eval $BUILD_CMD
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echo ""
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echo "====== 镜像构建完成 ======"
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- name: Verify image
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run: |
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echo "====== 验证构建的镜像 ======"
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IMAGE="${{ steps.prepare.outputs.full_image }}"
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if docker image inspect "${IMAGE}" >/dev/null 2>&1; then
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SIZE=$(docker image inspect "${IMAGE}" --format='{{.Size}}' | awk '{printf "%.2f", $1/1024/1024}')
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CREATED=$(docker image inspect "${IMAGE}" --format='{{.Created}}')
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ID=$(docker image inspect "${IMAGE}" --format='{{.Id}}' | cut -d':' -f2 | cut -c1-12)
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echo "✓ ${IMAGE}"
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echo " 镜像 ID: ${ID}"
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echo " 大小: ${SIZE} MB"
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echo " 创建时间: ${CREATED}"
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else
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echo "✗ ${IMAGE} 验证失败"
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exit 1
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fi
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echo ""
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echo "✓ 镜像验证成功"
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- name: Show image details
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run: |
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echo "====== 镜像详细信息 ======"
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docker images --format "table {{.Repository}}\t{{.Tag}}\t{{.Size}}\t{{.CreatedAt}}" | grep "${{ inputs.image_name }}" || true
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echo ""
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echo "====== 镜像层信息（前10层）======"
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docker history "${{ steps.prepare.outputs.full_image }}" --format "table {{.CreatedBy}}\t{{.Size}}" | head -11
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- name: Cleanup
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if: always()
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run: |
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echo "====== 清理悬空镜像 ======"
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docker image prune -f
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echo "✓ 清理完成"
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- name: Build summary
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if: always()
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run: |
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echo "====== 构建摘要 ======"
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echo "镜像名称: ${{ steps.prepare.outputs.full_image }}"
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echo "Dockerfile: ${{ inputs.dockerfile }}"
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echo "构建上下文: ${{ inputs.context }}"
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echo "分支: ${{ github.ref_name }}"
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echo "提交: ${{ github.sha }}"
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echo "触发方式: ${{ github.event_name }}"
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echo "构建状态: ${{ job.status }}"
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echo ""
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if [ "${{ job.status }}" == "success" ]; then
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echo "🎉 镜像构建成功！"
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else
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echo "❌ 镜像构建失败，请检查日志"
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fi
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