2026-03-24 16:33:14 +08:00
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# Docker + Prefect 使用说明
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2026-03-13 18:55:33 +08:00
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2026-03-24 17:59:32 +08:00
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当前方案是:
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- 使用 [prefect.yaml](/Users/idss/YXT_Project/gmv-analytics/prefect.yaml) 管理 deployment
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- 使用 Docker 容器运行 Prefect worker
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- 由 Prefect Server 统一调度
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当前有两条调度:
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2026-03-24 16:33:14 +08:00
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- `08:00` 执行数据统计并写入飞书多维表格
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- `09:00` 推送结果到飞书群
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## 1. 创建 Docker 镜像
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在项目目录执行:
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2026-03-13 18:55:33 +08:00
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```bash
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cd /Users/idss/YXT_Project/gmv-analytics
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docker build -t gmv-analytics-prefect:0.1.0 .
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```
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2026-03-24 17:59:32 +08:00
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镜像构建特点:
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2026-03-24 17:59:32 +08:00
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- 基础镜像:`python:3.12-slim-bookworm`
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- 使用 `uv` 安装依赖
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- 使用清华 `apt` 和 `PyPI` 源
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- 依赖来源:[pyproject.toml](/Users/idss/YXT_Project/gmv-analytics/pyproject.toml)
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2026-03-13 18:55:33 +08:00
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2026-03-24 16:33:14 +08:00
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## 2. 启动 Docker 容器
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2026-03-24 17:59:32 +08:00
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推荐使用 Compose。
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2026-03-24 16:33:14 +08:00
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2026-03-24 17:59:32 +08:00
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项目里的 [docker-compose.yaml](/Users/idss/YXT_Project/gmv-analytics/docker-compose.yaml) 已经配置了:
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- `PREFECT_API_URL`
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- `host.docker.internal`
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- `PROJECT_MAPPING_FILE`
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- `uv_cache` 持久化卷
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- CPU / 内存资源限制
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启动:
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2026-03-13 18:55:33 +08:00
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```bash
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cd /Users/idss/YXT_Project/gmv-analytics
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docker compose up -d --build
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```
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停止:
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```bash
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docker compose down
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```
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2026-03-24 17:59:32 +08:00
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查看运行状态:
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2026-03-24 17:14:27 +08:00
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2026-03-24 17:59:32 +08:00
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```bash
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docker ps
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```
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2026-03-24 17:14:27 +08:00
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2026-03-24 17:59:32 +08:00
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当前容器名是:
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2026-03-13 18:55:33 +08:00
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2026-03-24 17:59:32 +08:00
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```bash
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prefect-gmv-worker
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```
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## 3. 容器启动后会做什么
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容器启动后:
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1. 加载 `.env`
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2. 自动修正:
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- `PROJECT_MAPPING_FILE=/app/店铺映射表.xlsx`
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3. 启动 `supervisord`
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4. 再由 [supervisord.conf](/Users/idss/YXT_Project/gmv-analytics/supervisord.conf) 启动:
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```bash
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prefect worker start --pool "gmv-analytics-pool" --type process
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```
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也就是说,这个容器的职责不是直接跑 flow,而是作为 Prefect worker 等待调度。
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## 4. 注册 Prefect 调度
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调度定义在 [prefect.yaml](/Users/idss/YXT_Project/gmv-analytics/prefect.yaml)。
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当前 work pool 是:
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```bash
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gmv-analytics-pool
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```
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注册 deployment 的方式:
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### 方式 A:在本机或服务器上直接执行
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前提是当前环境里有 `prefect` CLI,并且能访问 `PREFECT_API_URL`:
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2026-03-13 18:55:33 +08:00
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2026-03-24 16:33:14 +08:00
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```bash
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cd /Users/idss/YXT_Project/gmv-analytics
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prefect deploy --all
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```
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2026-03-24 17:59:32 +08:00
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### 方式 B:在容器里执行
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2026-03-24 17:59:32 +08:00
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如果宿主机没有 `prefect` 命令,可以直接在容器里执行:
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```bash
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docker exec -it prefect-gmv-worker sh -lc 'cd /app && prefect deploy --all'
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```
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2026-03-24 17:59:32 +08:00
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注意:
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2026-03-24 17:59:32 +08:00
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- 这条命令要求容器里的 `PREFECT_API_URL` 可访问
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- 如果你看到 `ConnectError`,通常是 `.env` 里的 `PREFECT_API_URL` 地址在容器里不可达
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2026-03-24 17:59:32 +08:00
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## 5. 自动执行是怎么发生的
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完整流程如下:
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2026-03-24 17:59:32 +08:00
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1. `prefect deploy --all` 把 [prefect.yaml](/Users/idss/YXT_Project/gmv-analytics/prefect.yaml) 注册到 Prefect Server
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2. Prefect Server 根据 cron 触发:
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- `gmv-daily-data-sync-8am`
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- `gmv-daily-notify-9am`
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3. `prefect-gmv-worker` 容器里的 worker 从 `gmv-analytics-pool` 拉取任务
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4. worker 执行 [prefect_gmv_scheduler.py](/Users/idss/YXT_Project/gmv-analytics/prefect_gmv_scheduler.py) 里的 flow
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2026-03-24 17:59:32 +08:00
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## 6. 单次手动执行
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只跑数据同步:
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```bash
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python /Users/idss/YXT_Project/gmv-analytics/prefect_gmv_scheduler.py --mode sync
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```
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2026-03-24 16:33:14 +08:00
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只跑飞书通知:
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2026-03-24 16:33:14 +08:00
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```bash
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python /Users/idss/YXT_Project/gmv-analytics/prefect_gmv_scheduler.py --mode notify
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```
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先同步再通知:
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```bash
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python /Users/idss/YXT_Project/gmv-analytics/prefect_gmv_scheduler.py --mode all
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```
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如果要在 Docker 里手动执行:
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2026-03-13 18:55:33 +08:00
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```bash
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docker run --rm \
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--env-file /Users/idss/YXT_Project/gmv-analytics/.env \
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-e PROJECT_MAPPING_FILE=/app/店铺映射表.xlsx \
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-e PREFECT_API_URL=http://host.docker.internal:4200/api \
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--add-host host.docker.internal:host-gateway \
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gmv-analytics-prefect:0.1.0 \
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python prefect_gmv_scheduler.py --mode sync
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```
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2026-03-24 17:59:32 +08:00
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## 7. Docker 中的日志
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现在日志分成三层:
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### 7.1 容器标准输出日志
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查看 worker 容器日志:
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```bash
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docker logs -f prefect-gmv-worker
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```
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2026-03-24 16:33:14 +08:00
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或者:
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```bash
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cd /Users/idss/YXT_Project/gmv-analytics
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docker compose logs -f
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```
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2026-03-24 17:59:32 +08:00
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这里通常能看到:
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2026-03-24 17:59:32 +08:00
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- worker 启动日志
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- Prefect 调度执行日志
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- Python 进程报错堆栈
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2026-03-24 17:59:32 +08:00
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### 7.2 容器内本地文件日志
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业务日志还会写到容器内文件:
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2026-03-24 17:59:32 +08:00
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- 目录:`/app/logs`
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- 文件:`/app/logs/gmv_sync.log`
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2026-03-24 17:59:32 +08:00
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查看方式:
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```bash
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docker exec -it prefect-gmv-worker sh
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tail -f /app/logs/gmv_sync.log
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```
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2026-03-24 17:59:32 +08:00
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worker 自己的 supervisor 日志也会在:
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- `/app/logs/prefect_worker.out.log`
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- `/app/logs/prefect_worker.err.log`
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### 7.3 Prefect UI 日志
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现在业务日志已经接入 Prefect run logger,所以在 Prefect UI 的 `Logs` 面板里也能看到:
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- 数据同步开始/结束
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- 每天处理日期
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- 查询销售额/退款额
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- 匹配目标表
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- GMV 计算
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- 飞书推送
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如果 UI 没看到新日志,通常说明:
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- worker 还没重启到最新代码
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- 或本次 run 还是旧 deployment / 旧镜像执行的
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## 8. 常见问题
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### 8.1 `prefect: command not found`
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说明宿主机没有安装 Prefect CLI。
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可改为在容器里执行:
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```bash
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docker exec -it prefect-gmv-worker sh -lc 'cd /app && prefect deploy --all'
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2026-03-24 16:33:14 +08:00
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```
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2026-03-24 17:59:32 +08:00
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### 8.2 `httpx.ConnectError: All connection attempts failed`
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说明容器里访问不到 `PREFECT_API_URL`。
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常见原因:
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- `.env` 里的 `PREFECT_API_URL` 写成了 `localhost`
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- 容器里访问不到宿主机 Prefect API
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当前 compose 已经加了:
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```yaml
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extra_hosts:
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- "host.docker.internal:host-gateway"
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```
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所以更推荐把 `.env` 里的 `PREFECT_API_URL` 配成类似:
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```bash
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PREFECT_API_URL=http://host.docker.internal:4200/api
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```
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## 9. 最推荐的执行方式
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如果你要的是“服务器上长期稳定自动执行”,建议按这个顺序:
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1. 构建镜像
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2. 准备 `.env`
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3. 启动 worker 容器
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```bash
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cd /Users/idss/YXT_Project/gmv-analytics
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docker compose up -d --build
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```
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4. 在能连到 `PREFECT_API_URL` 的环境里注册 deployment
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```bash
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docker exec -it prefect-gmv-worker sh -lc 'cd /app && prefect deploy --all'
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```
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5. 到 Prefect UI 检查:
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- deployment 是否已注册
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- work pool 是否是 `gmv-analytics-pool`
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- schedule 是否正确
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