with out using sudo to run docker code example
Example 1: make docker sudo less
$ sudo groupadd docker
$ sudo usermod -aG docker $USER
$ newgrp docker
Example 2: docker to sudoers
# my case solution
sudo setfacl -m user:$USER:rw /var/run/docker.sock
#other solution
sudo usermod -aG docker $USER
#an other solution
sudo groupadd docker
sudo gpasswd -a $USER docker
docker run hello-world