【Docker】HTTP/HTTPS 代理配置

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

$ sudo vim /etc/systemd/system/docker.service.d/http-proxy.conf
[Service]
Environment="HTTP_PROXY=http://proxy.example.com:80"
Environment="HTTPS_PROXY=https://proxy.example.com:443"
Environment="NO_PROXY=localhost,127.0.0.1,docker-registry.example.com,.corp"

$ sudo systemctl daemon-reload
$ sudo systemctl restart docker

$ sudo systemctl show --property=Environment docker