Error
Got permission denied while trying to connect to the Docker daemon socket at unix:///var/run/docker.sock: Get http://%2Fvar%2Frun%2Fdocker.sock/v1.32/containers/json: dial unix /var/run/docker.sock: connect: permission denied
Solution nr. 1 (as root)
sudo usermod -a -G docker $USER
Solution nr. 2 (as not-root)
sudo groupadd docker sudo usermod -aG docker $USER // Either do a newgrp docker or log out/in to activate the changes to groups
https://askubuntu.com/questions/477551/how-can-i-use-docker-without-sudo