53 lines
2.1 KiB
Plaintext
53 lines
2.1 KiB
Plaintext
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%% IT 智能服务台 — 部署时序图（卷挂载重构）
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%% 文件: sequence-diagram.mermaid
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sequenceDiagram
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participant Ops as 运维人员
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participant Host as 宿主机 10.90.5.110
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participant Docker as Docker Engine
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participant Container as Backend 容器
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Note over Ops,Container: S1: 前置验证与备份
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Ops->>Host: curl /health 验证当前状态
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Host-->>Ops: 200 OK
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Ops->>Host: 备份 docker-compose.yml → .bak.{TIMESTAMP}
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Ops->>Host: 备份 Dockerfile → .bak.{TIMESTAMP}
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Ops->>Host: 写入 .rollback-info 文件
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Note over Ops,Container: S2: 代码验证
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Ops->>Host: 检查 app/__init__.py, app/main.py
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Ops->>Host: 检查 app/api/auth.py（关键！）
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Host-->>Ops: 全部存在
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Note over Ops,Container: S3: 修改 Dockerfile
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Ops->>Host: 重写 Dockerfile
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Note right of Host: 删除 COPY . .<br/>新增 ENV PYTHONDONTWRITEBYTECODE=1
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Ops->>Host: grep 验证 COPY . . 已删除
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Note over Ops,Container: S4: 修改 docker-compose.yml
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Ops->>Host: sed 插入 ./app:/app/app 卷挂载
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Ops->>Host: grep 验证卷挂载已添加
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Note over Ops,Container: S5: 重建镜像并重启
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Ops->>Docker: docker compose build backend
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Docker->>Docker: 构建镜像（仅 site-packages）
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Note right of Docker: 镜像不含业务代码
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Ops->>Docker: docker compose up -d backend
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Docker->>Container: 创建容器
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Docker->>Host: 挂载 ./app → /app/app (bind mount)
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Container->>Host: 运行时读取 /opt/wecom-it-desk/app/ 代码
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Container->>Container: uvicorn app.main:app 启动
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Note over Ops,Container: S6: 部署后验证
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Ops->>Container: curl http://localhost:8000/health
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Container-->>Ops: 200 OK
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Ops->>Container: docker exec ... from app.auth import router
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Container-->>Ops: auth module: OK
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Ops->>Host: md5sum app/main.py
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Ops->>Container: docker exec md5sum /app/app/main.py
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Note right of Ops: 对比 hash 一致 → 卷挂载正常
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Note over Ops,Container: S7: 清理（48小时后）
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Ops->>Host: rm -rf backend/app/
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Ops->>Host: 确认服务仍正常
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