docs: remove PM2/bare-metal references

backend/README.md

@@ -16,7 +16,6 @@ This is the backend server for PrivyDrop. It is built with Node.js, Express, and
 - **Language**: TypeScript
 - **Real-time Communication**: Socket.IO
 - **Database**: Redis (using the ioredis client)
-- **Process Management**: PM2
 
 ## 🚀 Getting Started (Local Development)
 
@@ -56,4 +55,4 @@ This service provides a set of API endpoints and Socket.IO events to support the
 
 - To understand the backend's code structure, module design, and Redis data model in depth, please read the [**Backend Architecture Deep Dive**](../docs/BACKEND_ARCHITECTURE.md).
 - To learn about how the frontend and backend collaborate, refer to the [**Overall Project Architecture**](../docs/ARCHITECTURE.md).
-- For instructions on deploying in a production environment, please see the [**Deployment Guide**](../docs/DEPLOYMENT.md).
+- For production deployment, see the [**Docker Deployment Guide**](../docs/DEPLOYMENT_docker.md).

backend/README.zh-CN.md

@@ -16,7 +16,6 @@
 - **语言**: TypeScript
 - **实时通信**: Socket.IO
 - **数据库**: Redis (使用 ioredis 客户端)
-- **进程管理**: PM2
 
 ## 🚀 入门 (本地开发)
 
@@ -56,4 +55,4 @@
 
 - 要深入理解后端的代码结构、模块设计和 Redis 数据模型，请阅读 [**后端架构详解**](../docs/BACKEND_ARCHITECTURE.zh-CN.md)。
 - 要了解项目前后端的整体协作方式，请参阅 [**项目整体架构**](../docs/ARCHITECTURE.zh-CN.md)。
-- 有关生产环境的部署方法，请参考 [**部署指南**](../docs/DEPLOYMENT.zh-CN.md)。
+- 有关生产环境部署，请参考 [**Docker 部署指南**](../docs/DEPLOYMENT_docker.zh-CN.md)。

docs/BACKEND_ARCHITECTURE.md

@@ -42,7 +42,6 @@ backend/
 │ │ ├── room.ts
 │ │ └── socket.ts
 │ └── server.ts     # Main application entry point: Express and Socket.IO setup
-├── ecosystem.config.js # PM2 configuration file
 ├── package.json
 └── tsconfig.json
 ```
@@ -132,4 +131,4 @@ Redis is a key component of the backend, used to store all temporary state. We c
   - **Purpose**: Tracks the number of visits from different sources (Referrers) on a daily basis.
   - **Fields**: The referrer's domain name (e.g., `google.com`, `github.com`).
   - **Value**: The cumulative visit count for the day.
-  - **Logic**: The `HINCRBY` command is used to atomically increment the count for a specified source. 
+  - **Logic**: The `HINCRBY` command is used to atomically increment the count for a specified source. 

docs/BACKEND_ARCHITECTURE.zh-CN.md

@@ -42,7 +42,6 @@ backend/
 │ │ ├── room.ts
 │ │ └── socket.ts
 │ └── server.ts # 主应用程序入口点: Express 和 Socket.IO 设置
-├── ecosystem.config.js # PM2 配置文件
 ├── package.json
 └── tsconfig.json
 ```

frontend/README.md

@@ -41,7 +41,7 @@ Before you start, please ensure you have **installed and started the backend ser
 
 - To understand the complete project architecture and how components collaborate, please see the [**Overall Project Architecture**](../docs/ARCHITECTURE.md).
 - To dive deep into the frontend's code structure, Hooks design, and state management, please read the [**Frontend Architecture Deep Dive**](../docs/FRONTEND_ARCHITECTURE.md).
-- For instructions on deploying in a production environment, please refer to the [**Deployment Guide**](../docs/DEPLOYMENT.md).
+- For production deployment, see the [**Docker Deployment Guide**](../docs/DEPLOYMENT_docker.md).
 
 ## 🤝 Contributing
 

frontend/README.zh-CN.md

@@ -41,7 +41,7 @@
 
 - 要了解完整的项目架构和组件协作方式，请参阅 [**项目整体架构**](../docs/ARCHITECTURE.zh-CN.md)。
 - 要深入理解前端的代码结构、Hooks 设计和状态管理，请阅读 [**前端架构详解**](../docs/FRONTEND_ARCHITECTURE.zh-CN.md)。
-- 有关生产环境的部署方法，请参考 [**部署指南**](../docs/DEPLOYMENT.zh-CN.md)。
+- 有关生产环境部署，请参考 [**Docker 部署指南**](../docs/DEPLOYMENT_docker.zh-CN.md)。
 
 ## 🤝 参与贡献