docker permission denied in container code example

Example 1: Got permission denied while trying to connect to the Docker daemon socket

sudo chmod 666 /var/run/docker.sock

Example 2: Docker permission denied

sudo usermod -a -G docker $USER

Example 3: Got permission denied while trying to connect to the Docker daemon socket at unix:///var/run/docker.sock:

newgrp docker

Example 4: got permission denied docker

docker deamon permission issue