Dify安装第一步：镜像源的修改，国内拉取加速

按照DIFY官方的教程，在DOCKER环境下部署会出现如下错误提示：
Get "https://registry-1.docker.io/v2/": context deadline exceeded (Client.Timeout exceeded while awaiting headers)
root@NASWORK:/vol1/1000/DockerData/dify/docker#

以上错误基本是镜像源的问题，只要更换使用国内镜像源即可
编辑 Docker 配置文件 /etc/docker/daemon.json，添加国内镜像源地址，命令行输入，编辑此文件：

1. sudo nano /etc/docker/daemon.json

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将registry-mirrors字段的内容更改为：

1. {
   
2. "registry-mirrors":[
   
3.     "https://9cpn8tt6.mirror.aliyuncs.com",
   
4.     "https://registry.docker-cn.com",
   
5.     "https://mirror.ccs.tencentyun.com",
   
6.     "https://docker.1panel.live",
   
7.     "https://2a6bf1988cb6428c877f723ec7530dbc.mirror.swr.myhuaweicloud.com",
   
8.     "https://docker.m.daocloud.io",
   
9.     "https://hub-mirror.c.163.com",
   
10.     "https://mirror.baidubce.com",
    
11.     "https://your_preferred_mirror",
    
12.     "https://dockerhub.icu",
    
13.     "https://docker.registry.cyou",
    
14.     "https://docker-cf.registry.cyou",
    
15.     "https://dockercf.jsdelivr.fyi",
    
16.     "https://docker.jsdelivr.fyi",
    
17.     "https://dockertest.jsdelivr.fyi",
    
18.     "https://mirror.aliyuncs.com",
    
19.     "https://dockerproxy.com",
    
20.     "https://mirror.baidubce.com",
    
21.     "https://docker.m.daocloud.io",
    
22.     "https://docker.nju.edu.cn",
    
23.     "https://docker.mirrors.sjtug.sjtu.edu.cn",
    
24.     "https://docker.mirrors.ustc.edu.cn",
    
25.     "https://mirror.iscas.ac.cn",
    
26.     "https://docker.rainbond.cc"
    
27.     ]
    
28. }

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自用源文件内容，供参考！

1. {"data-root":"/vol1/docker","insecure-registries":["127.0.0.1:19827"],"live-restore":true,"dns": ["8.8.8.8", "114.114.114.114"],"registry-mirrors":[ "https://9cpn8tt6.mirror.aliyuncs.com","https://registry.docker-cn.com","https://mirror.ccs.tencentyun.com","https://docker.1panel.live", "https://2a6bf1988cb6428c877f723ec7530dbc.mirror.swr.myhuaweicloud.com","https://docker.m.daocloud.io","https://hub-mirror.c.163.com","https://mirror.baidubce.com","https://your_preferred_mirror","https://dockerhub.icu","https://docker.registry.cyou","https://docker-cf.registry.cyou","https://dockercf.jsdelivr.fyi","https://docker.jsdelivr.fyi","https://dockertest.jsdelivr.fyi","https://mirror.aliyuncs.com","https://dockerproxy.com","https://mirror.baidubce.com","https://docker.m.daocloud.io","https://docker.nju.edu.cn","https://docker.mirrors.sjtug.sjtu.edu.cn", "https://docker.mirrors.ustc.edu.cn","https://mirror.iscas.ac.cn","https://docker.rainbond.cc"]}
   

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然后保存；继续执行如下命令

1. sudo systemctl daemon-reload
   
2. sudo systemctl restart docker

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