创建指定文件修改

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mkdir -p /etc/systemd/system/docker.service.d
vim /etc/systemd/system/docker.service.d/http-proxy.conf

写入以下配置：

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[Service]
Environment="HTTP_PROXY=http://10.0.1.1:7890"
Environment="HTTPS_PROXY=http://10.0.1.1:7890"
Environment="NO_PROXY=localhost,127.0.0.1,docker-registry.example.com,.your-internal-domain.com"

重启 docker

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systemctl daemon-reload
sudo systemctl restart docker

检查配置：

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➜  ~ docker info | grep Proxy
 HTTP Proxy: http://10.0.1.1:7890
 HTTPS Proxy: http://10.0.1.1:7890