1、错误描述
root@ubuntu-database:/opt/dify/docker# docker compose up -d
[+] Running 9/9
✘ api Error context canceled 15.1s
✘ db Error context canceled 15.1s
✘ nginx Error context canceled 15.1s
✘ redis Error Get "https://registry-1.docker.io/v2/": context deadline exceeded (Client.Timeout exceeded while awaiting headers) 15.1s
✘ ssrf_proxy Error context canceled 15.1s
✘ worker Error context canceled 15.1s
✘ weaviate Error context canceled 15.1s
✘ sandbox Error context canceled 15.1s
✘ web Error context canceled 15.1s
Error response from daemon: Get "https://registry-1.docker.io/v2/": context deadline exceeded (Client.Timeout exceeded while awaiting headers)
Error response from daemon: Get "https://registry-1.docker.io/v2/": context deadline exceeded (Client.Timeout exceeded while awaiting headers)
这个错误表明Docker客户端尝试访问Docker Hub或其他Docker注册中心时出现了问题。具体来说，是在尝试获取注册中心API的响应时遇到了错误。可能的原因包括网络问题、认证问题、注册中心URL不正确或者注册中心服务本身不可用。
2、解决方法
2.1、检查网络连接
确保你的机器可以访问互联网，特别是Docker Hub或你所使用的私有注册中心。
root@ubuntu-database:/opt/dify/docker# ping www.baidu.com
PING www.a.shifen.com (110.242.68.3) 56(84) bytes of data.
64 bytes from 110.242.68.3: icmp_seq=1 ttl=128 time=38.5 ms
64 bytes from 110.242.68.3: icmp_seq=2 ttl=128 time=36.4 ms
64 bytes from 110.242.68.3: icmp_seq=3 ttl=128 time=52.3 ms2.2、检查Docker服务状态
运行systemctl status docker（Linux系统）查看Docker服务是否正在运行。
root@ubuntu-database:/opt/dify/docker# systemctl status docker
● docker.service - Docker Application Container Engine
Loaded: loaded (/usr/lib/systemd/system/docker.service; enabled; preset: enabled)
Active: active (running) since Wed 2024-11-27 12:04:05 UTC; 55min ago
TriggeredBy: ● docker.socket
Docs: https://docs.docker.com
Main PID: 4766 (dockerd)
Tasks: 10
Memory: 21.8M (peak: 24.5M)
CPU: 479ms
CGroup: /system.slice/docker.service
如以上都没有问题，下面考虑docker换源
2.3、换源
sudo mkdir -p /etc/docker
vim /etc/docker/daemon.json 首先进入/etc/docker/daemon.json文件
然后在里面加入下面的配置
{
"registry-mirrors" : ["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",
"https://do.nark.eu.org",
"https://dc.j8.work",
"https://dockerproxy.com",
"https://gst6rzl9.mirror.aliyuncs.com",
"https://registry.docker-cn.com",
"http://hub-mirror.c.163.com",
"http://mirrors.ustc.edu.cn/",
"https://mirrors.tuna.tsinghua.edu.cn/",
"http://mirrors.sohu.com/"
],
"insecure-registries" : [
"registry.docker-cn.com",
"docker.mirrors.ustc.edu.cn"
],
"debug": true,
"experimental": false
}重载生效
sudo systemctl daemon-reload重启服务
sudo systemctl restart docker查看是否配置成功
docker inforoot@ubuntu-database:/etc/docker# docker info
Client: Docker Engine - Community
Version: 27.3.1
Context: default
Debug Mode: false
Plugins:
buildx: Docker Buildx (Docker Inc.)
Version: v0.17.1
Path: /usr/libexec/docker/cli-plugins/docker-buildx
compose: Docker Compose (Docker Inc.)
Version: v2.29.7
Path: /usr/libexec/docker/cli-plugins/docker-compose
Server:
Containers: 0
Running: 0
Paused: 0
Stopped: 0
Images: 0
Server Version: 27.3.1
Storage Driver: overlay2
Backing Filesystem: extfs
Supports d_type: true
Using metacopy: false
Native Overlay Diff: true
userxattr: false
Logging Driver: json-file
Cgroup Driver: systemd
Cgroup Version: 2
Plugins:
Volume: local
Network: bridge host ipvlan macvlan null overlay
Log: awslogs fluentd gcplogs gelf journald json-file local splunk syslog
Swarm: inactive
Runtimes: io.containerd.runc.v2 runc
Default Runtime: runc
Init Binary: docker-init
containerd version: 57f17b0a6295a39009d861b89e3b3b87b005ca27
runc version: v1.1.14-0-g2c9f560
init version: de40ad0
Security Options:
apparmor
seccomp
Profile: builtin
cgroupns
Kernel Version: 6.8.0-49-generic
Operating System: Ubuntu 24.04 LTS
OSType: linux
Architecture: x86_64
CPUs: 4
Total Memory: 7.709GiB
Name: ubuntu-database
ID: acb5a888-7140-4e43-8924-6fc325481944
Docker Root Dir: /var/lib/docker
Debug Mode: true
File Descriptors: 23
Goroutines: 40
System Time: 2024-11-27T13:09:10.861401847Z
EventsListeners: 0
Experimental: false
Insecure Registries:
docker.mirrors.ustc.edu.cn
registry.docker-cn.com
127.0.0.0/8
Registry Mirrors:
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/
https://do.nark.eu.org/
https://dc.j8.work/
https://gst6rzl9.mirror.aliyuncs.com/
https://registry.docker-cn.com/
http://hub-mirror.c.163.com/
http://mirrors.ustc.edu.cn/
https://mirrors.tuna.tsinghua.edu.cn/
http://mirrors.sohu.com/
Live Restore Enabled: false
WARNING: bridge-nf-call-iptables is disabled
WARNING: bridge-nf-call-ip6tables is disabled
重新执行 ：docker compose up -d
出现以下情况，说明问题已解决，如下图：
