docker 设置镜像仓库代理

1. 创建 Docker 服务的代理配置文件

sudo mkdir -p /etc/systemd/system/docker.service.d

2.创建文件 /etc/systemd/system/docker.service.d/http-proxy.conf，内容如下：

[Service]
Environment="HTTP_PROXY=http://192.168.0.111:7890"
Environment="HTTPS_PROXY=http://192.168.0.111:7890"
Environment="NO_PROXY=localhost,127.0.0.1"

3. 重新加载并重启 Docker

sudo systemctl daemon-reexec
sudo systemctl daemon-reload
sudo systemctl restart docker

4.验证配置是否生效

执行：

docker info | grep -i proxy

应输出：

HTTP Proxy: http://192.168.0.111:7890
HTTPS Proxy: http://192.168.0.111:7890
No Proxy: localhost,127.0.0.1

5. 再次尝试拉取镜像或执行 Docker 命令

docker pull hello-world