fix(bay): install curl in runtime image for healthcheck

[Intro-iu]

修复 Bay 镜像健康检查问题（Issue #3）

变更

• 在 pkgs/bay/Dockerfile 的运行时阶段安装 curl，因为基础镜像 python:3.13-slim 默认不包含 curl。
• 这样现有 HEALTHCHECK（curl -f http://localhost:8114/health）可以正常执行。

[gemini-code-assist]

Summary of Changes

Hello, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

此拉取请求解决了 Bay 服务 Docker 镜像健康检查失败的关键问题。通过在运行时镜像中明确安装 curl，健康检查机制现在可以完全正常工作，确保服务的运行状态能够被可靠地监控。

Highlights

• 修复 Bay 镜像健康检查: 在 pkgs/bay/Dockerfile 的运行时阶段安装了 curl，以确保 HEALTHCHECK 命令能够正常执行，因为基础镜像 python:3.13-slim 默认不包含 curl。

Changelog

• pkgs/bay/Dockerfile
  • 在运行时阶段添加了 curl 的安装指令，以支持健康检查。

Activity

• 没有检测到具体的PR活动。

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[gemini-code-assist]

Code Review

这个 PR 通过在运行时镜像中安装 curl 来修复健康检查失败的问题，方向是正确的。然而，为了保持 Docker 镜像的最小化和安全性，有一个更好的方法。我建议使用 Python 自带的 urllib 库来执行健康检查，而不是添加一个新的系统依赖。这样可以避免增加镜像的体积和潜在的攻击面。我在 Dockerfile 中留下了具体的修改建议。请注意，如果采纳此建议，deploy/docker/docker-compose.yaml 中的健康检查也需要相应更新。