Ubuntu: Docker behind proxy

/ Linux / By 
sudo mkdir /etc/systemd/system/docker.service.d
cat /etc/systemd/system/docker.service.d/http-proxy.conf
[Service]
Environment="HTTP_PROXY=http://proxy-address:8080/"
Environment="HTTPS_PROXY=http://proxy-address:8080/"
Environment="NO_PROXY=localhost,127.0.0.1,.localdomain"

sudo systemctl daemon-reload
sudo systemctl restart docker