how to get docker user on my linux machine code example

Example 1: add user to docker group

sudo usermod -aG docker $USER   #$USER is your username

Example 2: docker post installation steps linux

# Creates docker group
sudo groupadd docker

# Add your user to the docker group
sudo usermod -aG docker $USER

# Log out and log back in so that your group membership is re-evaluated
# GNOME example
gnome-session-quit