[Docker] Allow non-root user to use docker command

Ngày tạo: 15/11/2021 | Cập nhật: 15/11/2021

Allow non-root user run docker without sudo prefix:

# replace $USER_NAME with real username 
sudo usermod -aG docker $USER_NAME

ref: https://askubuntu.com/a/739861/317575

Restart user session if needed.