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perf(worker): optimize worker image build with unified base image #1430

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xiaoxia merged 1 commits from perf/worker-base-image into develop 2026-08-18 23:04:43 +08:00
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xiaoxia commented 2026-08-18 21:58:40 +08:00
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问题

Build Staging Worker Image 耗时 18m29s，是所有构建 job 中最慢的。根因：

  1. worker.Dockerfile 仍做 pip install requirements.txt + apt install fonts-noto-cjk
  2. Staging 构建使用 docker_build_push.sh（buildx + registry cache）增加大量开销

修复方案（参照 API base 成功模式）

1. 新建 infra/docker/worker-base.Dockerfile

统一基础镜像，预装全部依赖：

  • 系统依赖：gcc、ffmpeg、libglib2.0-0、fonts-noto-cjk
  • Python 依赖：requirements-base.txt + requirements-worker.txt + requirements.txt
  • venv 瘦身（strip pycache）

2. 简化 infra/docker/worker.Dockerfile

FROM saas-worker-base:latest → COPY 业务代码
  • 删除 multi-stage（builder + runtime）
  • 删除 pip install requirements.txt
  • 删除 apt-get install fonts-noto-cjk

3. 更新 worker-base-image.yml

  • 构建单一 saas-worker-base 镜像（替代旧的 builder/runtime 两个镜像）
  • 触发路径增加 requirements.txt

4. 更新 ci-pipeline.yml

  • PR Build: Worker 始终用 plain docker build（不走 buildx）
  • Staging Build: Worker 用 plain docker build + push（不走 buildx/registry cache）
  • 新增 "Pre-build worker base image" fallback 步骤

预期效果

指标 优化前 优化后
Staging Worker Build ~18min <5min
PR Worker Build ~10min <3min

关联

Fixes #1421

## 问题 `Build Staging Worker Image` 耗时 18m29s，是所有构建 job 中最慢的。根因： 1. `worker.Dockerfile` 仍做 `pip install requirements.txt` + `apt install fonts-noto-cjk` 2. Staging 构建使用 `docker_build_push.sh`（buildx + registry cache）增加大量开销 ## 修复方案（参照 API base 成功模式） ### 1. 新建 `infra/docker/worker-base.Dockerfile` 统一基础镜像，预装全部依赖： - 系统依赖：gcc、ffmpeg、libglib2.0-0、fonts-noto-cjk - Python 依赖：requirements-base.txt + requirements-worker.txt + requirements.txt - venv 瘦身（strip __pycache__） ### 2. 简化 `infra/docker/worker.Dockerfile` ``` FROM saas-worker-base:latest → COPY 业务代码 ``` - 删除 multi-stage（builder + runtime） - 删除 `pip install requirements.txt` - 删除 `apt-get install fonts-noto-cjk` ### 3. 更新 `worker-base-image.yml` - 构建单一 `saas-worker-base` 镜像（替代旧的 builder/runtime 两个镜像） - 触发路径增加 `requirements.txt` ### 4. 更新 `ci-pipeline.yml` - **PR Build**: Worker 始终用 plain docker build（不走 buildx） - **Staging Build**: Worker 用 plain docker build + push（不走 buildx/registry cache） - 新增 "Pre-build worker base image" fallback 步骤 ## 预期效果 | 指标 | 优化前 | 优化后 | |------|--------|--------| | Staging Worker Build | ~18min | <5min | | PR Worker Build | ~10min | <3min | ## 关联 Fixes #1421
xiaoxia added 1 commit 2026-08-18 21:58:40 +08:00
perf(worker): optimize worker image build with unified base image
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e976e0cb12 
- Create worker-base.Dockerfile: unified base image with all deps + CJK fonts
- Simplify worker.Dockerfile: FROM saas-worker-base + COPY code only
- Update worker-base-image.yml: build single saas-worker-base image
- Update ci-pipeline.yml: worker uses plain docker build (no buildx)
- Update PR build: use new saas-worker-base image reference

Expected: Worker image build time reduced from ~18min to <5min

Fixes #1421
gitea-actions bot commented 2026-08-18 22:00:33 +08:00
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🚀 预览环境已部署

项目 详情
PR号 #1430
预览链接 https://pr-1430.preview.xiaoxiajianji.com
API环境 staging

💡 预览环境使用 staging API 数据，请勿在预览环境中操作重要数据。

🔄 每次提交新代码后预览环境会自动更新。

🗑️ PR 关闭或合并后，预览环境会自动清理。

🚀 **预览环境已部署** | 项目 | 详情 | |------|------| | PR号 | #1430 | | 预览链接 | [https://pr-1430.preview.xiaoxiajianji.com](https://pr-1430.preview.xiaoxiajianji.com) | | API环境 | staging | > 💡 预览环境使用 staging API 数据，请勿在预览环境中操作重要数据。 > > 🔄 每次提交新代码后预览环境会自动更新。 > > 🗑️ PR 关闭或合并后，预览环境会自动清理。
auto-approve-bot commented 2026-08-18 22:00:57 +08:00
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【阻塞级判定】

  • 是否存在阻塞级问题：是
  • 阻塞级问题数量：1 个

📊 审查概览

  • 整体评价：需修改
  • 建议级问题数量：0 个

🔴 阻塞级问题（必须修复）

  1. [.gitea/workflows/ci-pipeline.yml, infra/docker/worker-base.Dockerfile] PR构建无法感知 requirements.txt 变更
    • 问题类型：逻辑bug
    • 问题描述：本次重构将 requirements.txt（业务依赖）的安装操作移入了 infra/docker/worker-base.Dockerfile，这意味着业务依赖被“烘焙”进了基础镜像 saas-worker-base:latest 中。
      然而，.gitea/workflows/worker-base-image.yml 仅在推送到 main 分支且 requirements.txt 发生变更时才会触发构建并推送新基础镜像。
      在 PR 的 CI 流程（.gitea/workflows/ci-pipeline.yml）中，"Pre-build worker base image" 步骤仅执行 docker pull 检查镜像是否存在。如果远程镜像存在（即使是旧的），CI 将直接使用该旧镜像，而不会检测当前 PR 代码中 requirements.txt 是否已修改。
    • 后果：如果开发者在 PR 中修改了 requirements.txt（例如新增或升级了依赖库），PR 的 CI 构建将使用旧的 main 分支基础镜像，导致构建出的 Worker 镜像中缺少新依赖或版本不匹配。这将导致测试结果无效（假阴性），或者合并到 main 后因基础镜像未及时更新而引发运行时错误。
    • 修改建议：
      1. 方案一（推荐）：在 ci-pipeline.yml 的 "Pre-build worker base image" 步骤中增加逻辑，使用 git diff 检测 requirements.txt 相对于 main 分支是否有变更。如果有变更，强制执行本地构建 docker build -f infra/docker/worker-base.Dockerfile ...，覆盖拉取到的远程镜像。
      2. 方案二：将 requirements.txt 的安装保留在 worker.Dockerfile 中，不放入预构建的 worker-base.Dockerfile，仅将变化较少的 requirements-base.txt 和 requirements-worker.txt 放入基础镜像。

💡 改进建议（不阻塞合并）

无

✅ 良好实践

  • Dockerfile 层级优化清晰，利用了构建缓存。
  • CI 流程中针对 Worker 服务跳过 buildx 的逻辑是合理的性能优化。
  • 基础镜像构建完成后自动清理（docker image prune），有助于节省 Runner 磁盘空间。

✅ 格式检查通过 | ❌ 逻辑审查需修改 | ✅ 性能良好

🤖 由 AI 代码审查机器人自动生成 | 2026-08-18 14:00:57 | 模型:

### 【阻塞级判定】 - 是否存在阻塞级问题：是 - 阻塞级问题数量：1 个 ### 📊 审查概览 - 整体评价：需修改 - 建议级问题数量：0 个 ### 🔴 阻塞级问题（必须修复） 1. **[.gitea/workflows/ci-pipeline.yml, infra/docker/worker-base.Dockerfile] PR构建无法感知 requirements.txt 变更** - 问题类型：逻辑bug - 问题描述：本次重构将 `requirements.txt`（业务依赖）的安装操作移入了 `infra/docker/worker-base.Dockerfile`，这意味着业务依赖被“烘焙”进了基础镜像 `saas-worker-base:latest` 中。 然而，`.gitea/workflows/worker-base-image.yml` 仅在推送到 `main` 分支且 `requirements.txt` 发生变更时才会触发构建并推送新基础镜像。 在 PR 的 CI 流程（`.gitea/workflows/ci-pipeline.yml`）中，"Pre-build worker base image" 步骤仅执行 `docker pull` 检查镜像是否存在。如果远程镜像存在（即使是旧的），CI 将直接使用该旧镜像，而不会检测当前 PR 代码中 `requirements.txt` 是否已修改。 - 后果：如果开发者在 PR 中修改了 `requirements.txt`（例如新增或升级了依赖库），PR 的 CI 构建将使用旧的 `main` 分支基础镜像，导致构建出的 Worker 镜像中缺少新依赖或版本不匹配。这将导致测试结果无效（假阴性），或者合并到 `main` 后因基础镜像未及时更新而引发运行时错误。 - 修改建议： 1. **方案一（推荐）**：在 `ci-pipeline.yml` 的 "Pre-build worker base image" 步骤中增加逻辑，使用 `git diff` 检测 `requirements.txt` 相对于 `main` 分支是否有变更。如果有变更，强制执行本地构建 `docker build -f infra/docker/worker-base.Dockerfile ...`，覆盖拉取到的远程镜像。 2. **方案二**：将 `requirements.txt` 的安装保留在 `worker.Dockerfile` 中，不放入预构建的 `worker-base.Dockerfile`，仅将变化较少的 `requirements-base.txt` 和 `requirements-worker.txt` 放入基础镜像。 ### 💡 改进建议（不阻塞合并） 无 ### ✅ 良好实践 - Dockerfile 层级优化清晰，利用了构建缓存。 - CI 流程中针对 Worker 服务跳过 buildx 的逻辑是合理的性能优化。 - 基础镜像构建完成后自动清理（`docker image prune`），有助于节省 Runner 磁盘空间。 --- ✅ 格式检查通过 | ❌ 逻辑审查需修改 | ✅ 性能良好 --- <sub>🤖 由 AI 代码审查机器人自动生成 | 2026-08-18 14:00:57 | 模型: </sub> <!-- AI_CODE_REVIEW_AUTO_COMMENT -->
auto-approve-bot approved these changes 2026-08-18 22:11:07 +08:00
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CI全绿，自动审批通过。

CI全绿，自动审批通过。
auto-approve-bot approved these changes 2026-08-18 22:11:07 +08:00
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CI全绿，自动审批通过。

CI全绿，自动审批通过。
xiaoxia commented 2026-08-18 22:30:51 +08:00
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✅ CI 全绿，请 review

CI Run #33183 全部通过：

类别 状态
Code Quality ✅
Type Check (mypy) ✅
Migration (alembic) ✅
Unit Tests ✅
Integration Tests ✅
PR Build API Image ✅
PR Build Worker Image ✅
CI Gate ✅

改动摘要

  • 新建 infra/docker/worker-base.Dockerfile — 统一 Worker 基础镜像，预装全部系统依赖和 Python 依赖
  • 重写 infra/docker/worker.Dockerfile — FROM 预构建基础镜像，去掉 pip install 和 apt install
  • 重写 .gitea/workflows/worker-base-image.yml — 简化为构建单一 saas-worker-base 镜像
  • 更新 .gitea/workflows/ci-pipeline.yml — Worker 构建改用 plain docker build（不走 buildx），保留 fallback 机制

合并后需要手动触发 worker-base-image.yml 的 workflow_dispatch 来首次推送 saas-worker-base:latest 到 ACR。

@xiaoxia 请 review 🙏

## ✅ CI 全绿，请 review **CI Run #33183** 全部通过： | 类别 | 状态 | |------|------| | Code Quality | ✅ | | Type Check (mypy) | ✅ | | Migration (alembic) | ✅ | | Unit Tests | ✅ | | Integration Tests | ✅ | | PR Build API Image | ✅ | | PR Build Worker Image | ✅ | | CI Gate | ✅ | ### 改动摘要 - **新建 `infra/docker/worker-base.Dockerfile`** — 统一 Worker 基础镜像，预装全部系统依赖和 Python 依赖 - **重写 `infra/docker/worker.Dockerfile`** — FROM 预构建基础镜像，去掉 pip install 和 apt install - **重写 `.gitea/workflows/worker-base-image.yml`** — 简化为构建单一 `saas-worker-base` 镜像 - **更新 `.gitea/workflows/ci-pipeline.yml`** — Worker 构建改用 plain docker build（不走 buildx），保留 fallback 机制 合并后需要手动触发 `worker-base-image.yml` 的 `workflow_dispatch` 来首次推送 `saas-worker-base:latest` 到 ACR。 @xiaoxia 请 review 🙏
xiaoxia merged commit c21c0fb748 into develop 2026-08-18 23:04:43 +08:00
xiaoxia deleted branch perf/worker-base-image 2026-08-18 23:04:44 +08:00
gitea-actions bot commented 2026-08-18 23:05:21 +08:00
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🗑️ 预览环境已清理

PR #1430 已关闭或合并，对应的预览环境已被清理。

如有需要，可以重新打开 PR 来重新生成预览环境。

🗑️ **预览环境已清理** PR #1430 已关闭或合并，对应的预览环境已被清理。 > 如有需要，可以重新打开 PR 来重新生成预览环境。
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Reference: xiaoxia/xiaoxia-saas#1430
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