grant user to 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