Setup docker on a new Raspberry Pi

shell.sh

# install ubuntu server on the pi and ssh into the server
# https://ubuntu.com/tutorials/how-to-install-ubuntu-on-your-raspberry-pi#1-overview

# create new user with shorter name
sudo adduser pi
sudo usermod -aG sudo pi

# copying SSH key
# on your Mac
ssh-copy-id -i ~/.ssh/id_rsa pi@pi3

# install docker
sudo snap install docker

# grant permission to current user
sudo groupadd docker
sudo usermod -aG docker $USER
newgrp docker

# test docker
docker run --rm hello-world
# if permission error, reboot and try again
sudo reboot

# docker compose should be ready too
docker-compose version