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---
title: Docker-网桥
type: concept
tags: [docker, network, bridge]
last_updated: 2026-04-17
---
## Definition
Docker-网桥Docker Bridge是 Docker 默认创建的虚拟网桥设备docker0用于容器与宿主机之间的网络通信。容器可以通过网桥 IPGateway访问宿主机上的服务。
## 获取网桥 IP
```bash
docker network inspect <network_name>
```
查看输出的 "Gateway" 字段,即为网桥 IP 地址。
## Use Cases
- 容器访问宿主机上运行的代理服务
- 容器与宿主机应用之间的网络通信
## Related Concepts
- [[Docker-Network]]
- [[SOCKS5代理]]
## Related Entities
- [[n8n]]