Use Docker With PROXY

1 ) create this folder : 
	/etc/systemd/system/docker.service.d

2 ) create this file : 
	touch http-proxy.conf

3 ) put this code in http-proxy.conf file : 
	[Service]
	Environment=HTTPS_PROXY=192.168.50.30:8080

4 ) reload daemon : 
	systemctl daemon-reload

5 ) reload docker service 
	systemctl restart docker

6 ) check config 
	systemctl show docker --property Environment 

7 ) use docker normally