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wiki/concepts/Docker-网桥.md
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wiki/concepts/Docker-网桥.md
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title: Docker-网桥
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type: concept
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tags: [docker, network, bridge]
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last_updated: 2026-04-17
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---
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## Definition
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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 IP(Gateway)访问宿主机上的服务。
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## 获取网桥 IP
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```bash
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docker network inspect <network_name>
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```
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查看输出的 "Gateway" 字段,即为网桥 IP 地址。
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## Use Cases
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- 容器访问宿主机上运行的代理服务
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- 容器与宿主机应用之间的网络通信
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## Related Concepts
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- [[Docker-Network]]
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- [[SOCKS5代理]]
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## Related Entities
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- [[n8n]]
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