If you want to avoid typing sudo whenever you run the docker command, add your username to the docker group:
sudo usermod -aG docker ${USER}
To apply the new group membership, you can log out of the server and back in, or you can type the following:
su - ${USER}
You will be prompted to enter your user's password to continue. Afterwards, you can confirm that your user is now added to the docker group by typing:
id -nG
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Output
sammy sudo docker
If you need to add a user to the docker group that you're not logged in as, declare that username explicitly using:
sudo usermod -aG docker username
The rest of this article assumes you are running the docker command as a user in the docker user group. If you choose not to, please prepend the commands with sudo
Thursday, August 10, 2016 - by Mutasem Elayyoub.
By: Mutasem Elayyoub
