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---
title: "Docker Daemon 代理"
type: concept
tags: [docker, proxy]
last_updated: 2026-04-17
---
## Definition
Docker Daemon 代理是指为 Docker 守护进程dockerd配置 HTTP/HTTPS 代理,使 `docker pull``docker push` 等操作能够通过代理服务器访问外部网络。
## Problem
Docker 守护进程由 systemd 启动,不读取普通用户的 shell 环境变量(如 HTTP_PROXY、HTTPS_PROXY因此即使系统级配置了代理Docker 操作仍可能失败。
## Solution
通过 systemd drop-in 配置文件为 Docker Daemon 设置环境变量:
1. 创建配置目录:`sudo mkdir -p /etc/systemd/system/docker.service.d`
2. 创建代理配置文件:`sudo nano /etc/systemd/system/docker.service.d/http-proxy.conf`
3. 添加内容:
```
[Service]
Environment="HTTP_PROXY=http://127.0.0.1:10808/"
Environment="HTTPS_PROXY=http://127.0.0.1:10808/"
Environment="NO_PROXY=localhost,127.0.0.1"
```
4. 重载并重启:`sudo systemctl daemon-reload && sudo systemctl restart docker`
## Verification
```bash
docker info | grep -i proxy
```
## Related Concepts
- [[SOCKS5代理]]SOCKS5 代理协议
- [[透明代理]]:另一种强制流量走代理的机制
- [[科学上网]]:通过代理服务器绕过网络限制访问被封锁网站的技术