useradd docker group code example

Example 1: add user to docker group

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

Example 2: docker alpine create user and group

# To create a non root group and user inside your Alpine based Dockerfile

# -g is the GID
addgroup -g 1000 groupname

# -u is the UID
# -D permits to create an user without password
adduser -u 1000 -G groupname -h /home/username -D username