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配置docker的proxy指向

article 2024/11/15 15:34:26

因为网络原因，现在无法直接下载docker hub上的镜像，需设置通过proxy进行访问。

一、测试环境

在笔记本上启用了proxy软件，笔记本IP为192.168.253.1，proxy端口8888。搭建一台Linux虚拟机用于下载docker镜像，虚拟机IP：192.168.253.129

二、修改docker配置文件

修改虚拟机内docker配置文件/lib/systemd/system/docker.service，指向代理服务程序端口。

需要在Service小段中增加：

Environment="HTTP_PROXY=http://192.168.253.1:8888"
Environment="HTTPS_PROXY=http://192.168.253.1:8888"

如下：

[root@localhost ~]# vi /lib/systemd/system/docker.service
[root@localhost ~]# cat /lib/systemd/system/docker.service
[Unit]
Description=Docker Application Container Engine
Documentation=https://docs.docker.com
After=network-online.target firewalld.service
Wants=network-online.target

[Service]
Type=notify
Environment="HTTP_PROXY=http://192.168.253.1:8888"
Environment="HTTPS_PROXY=http://192.168.253.1:8888"
EnvironmentFile=-/etc/sysconfig/docker
EnvironmentFile=-/etc/sysconfig/docker-storage
EnvironmentFile=-/etc/sysconfig/docker-network
Environment=GOTRACEBACK=crash

ExecStart=/usr/bin/dockerd $OPTIONS \
                           $DOCKER_STORAGE_OPTIONS \
                           $DOCKER_NETWORK_OPTIONS \
                           $INSECURE_REGISTRY
ExecReload=/bin/kill -s HUP $MAINPID
LimitNOFILE=1048576
LimitNPROC=1048576
LimitCORE=infinity
# set delegate yes so that systemd does not reset the cgroups of docker containers
Delegate=yes
# kill only the docker process, not all processes in the cgroup
KillMode=process

[Install]
WantedBy=multi-user.target

三、重启服务进行验证

[root@localhost ~]# systemctl daemon-reload
[root@localhost ~]# systemctl restart docker             
[root@localhost ~]# docker pull minio/minio:latest       
latest: Pulling from minio/minio
55360c0b72d6: Pull complete 
f2f8f30a646a: Pull complete 
4fc5fcb7e9ca: Pull complete 
53140b7a7f04: Pull complete 
2b8c182be72c: Pull complete 
4363be478988: Pull complete 
de7c323e2901: Pull complete 
7eb10b7b511b: Pull complete 
3d82d69301e2: Pull complete 
Digest: sha256:cd04ea408e185cb50076ea1c3988d444119b19aaae15aab45387ccf14b2a2f86
Status: Downloaded newer image for minio/minio:latest
[root@localhost ~]#

可以看到，已能正常下载容器镜像，使用网络proxy也可参照配置。

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